2020 silverado flapper valve delete. Just had confirmation that the exhaust flap eliminator won't work on the new Euro4 R Nine T (2017) model. Definitely doable, but not at all worth it. But, a working EGR valve helps with MPGs, and the overall tune for the engine. Exhaust valves used to only apply to dual mode exhausts and AFM engines. Furthermore these The Muffler Delete Pipe will install in place of the old muffler. 04) Up to 10% off for Military & First Responders! May 15, 2018 · 5107 posts · Joined 2015. 7L, Models with Factory Dual Exhaust, Kit Part Number: MPE-19440 4. 2019-2024 Chevrolet Silverado 1500 Autostop Eliminator. Only last about 30 seconds then fades away completely. As the title says I am curious about deleting the butterfly valve. Muffler delete (no flap) will be to loud and have drone 2. replace the factory muffler with an aftermarket one- this doesnt look like it would be that hard since there is a flex grate pipe up where it Y’s to the cats. 2014, LTs-cam'd-tuned-4:10-drop'd-24's-4500 watts -------> CLICK. By doing so, you'll get a better sound from your vehicle without compromising anything. They also cut out the flapper valve. It was a 2 hour install. The "pinging" is the explosion on a valve not seated all the way. Shop All Truck Mufflers. to remove it you would have to cut it out, or get a set of after market headers. Hey, I have a 2022 ZR2 and hate the DFM system. Jan 17, 2021 · On a 2018 Silverado at idle has a vibration causing a noise coming from a little metal piece that pertrudes from the exhaust pipe directly before the muffler that appears to have a spring type wrapped around it. 3, muffler delete w/flapper left on but locked open in case I decided later to put on a muffler. Feb 18, 2011 · The Request sought information related to Respondent’s manufacture, purchase, offers to sell, and/or sales of parts, components, and products which bypass, defeat, or render inoperative any emission control component, element of design, or emissions related part or component for the period of January 1, 2018, to April 21, 2020. I just did the muffler delete on my 2014 6. 3 Muffler Delete. I kinda figure it is easier to cut the resonator off later if I change my mind, than it is to put it back on. Jun 24, 2012 · I have found silicone tubing that is stiff enough to get down the truck's fill tube, and flexible enough to drop into the tank as soon as it enters at the flapper valve. Doesn't disable Active Fuel Management (AFM) Equip cars, trucks & SUVs with 2020 Chevrolet Silverado 1500 Exhaust Valve (Engine) from AutoZone. Or better yet a tune and shut AFM off. (I couldn't post a recorded cold start Mar 5, 2020 · After the intake and exhaust system were installed, the truck will run 0-60 in 5. Oct 4, 2020 · Chevy Silverado Trail Boss Forums. I put the borla s-type on my 2019 high country 6. 2010 Silverado ECRB LT2 5. The valve is situated in the exhaust system heat shield and is operated by the engine’s vacuum. JT, the system at fault is Active Fuel Management, AFM. 2 to save on gas. Removing random parts does more harm than good. 3L (gone) 2002 Sierra K2500HD ECLB 6. I had the stock muffler and those "flapper valves" removed , but left the resonators in tact. 2015 Duramax, 1986 M1031, 2006 1500HD. Quantity: MSRP: $85. This is a real solution! Easy 100% plug-and-play installation. It is a mechanism that controls the flow of exhaust gases from the engine to the tailpipe. A lot of people remove and plug them as it is secondary to the one in oil pump. Jul 19, 2020 · 190 posts · Joined 2019. Sold - 2017 Silverado LTZ - Diablo i3, Airaid MIT, E2 Catch Can, 5% Tint, 2. Exhaust systems, manifolds, headers, catalytic converters, mufflers and pipes. ok thanks. Take advantage of the legendary sound and performance boost—and no drone. #9 · Aug 3, 2020. This AFE Apollo GT Series Muffler Delete is designed to fit 2020-2024 6. to/3gKdVsaChevy Silverado 2. 9 doing 70 on a flat road. I haven’t owned a gasser in a long time and I’m still impressed with this truck. May 6, 2014 · Here is mine as described above. Need to know if this will void warranty and still pass inspection in Texas. As you found, there is very little aftermarket support for 2. ts717. 7L TURBO: MUFFLER DELETE Vs STRAIGHT PIPE!#EXHAUSTADDICTS #CHEV May 4, 2020 · 19975 posts · Joined 2012. Installation can normally be completed in about two to three hours. Neil MacLennan Discussion starter. Shutting off AFM will get rid of the helicopter effect. 3 is so much more responsive and the sound is really good! Highly recommend both but definitely delete muffler and flapper. (so basically making just like my 2013 was from the factory) I will search youtube again, maybe I Aug 13, 2020 · TM16 Discussion starter. Interesting to note I emailed Borla to ask if the 2019-2020 SKU was good for the 2021's (nothing really changed) but they said they couldn't confirm it. Shop All Truck Parts And Accessories. Maintains start-stop button functionality of ESS system. This is one of the reasons these engines, with higher compression, can use 87 fuel. 99. *Ensure the flaps are open. 99 You Save 14% ($12. I believe it is stemming from that piece. Flapper Delete Fitting for N54. Not overly aggressive either. Mar 1, 2021 · Unfortunately there is a block to the tank. I have read it is a full blown check valve and I have read it is a flapper valve. V4 sounds like utter garbage without the resonator. Additionally, the increased clearance can make it easier to install Aug 2, 2023 · Location. May 9, 2021 · 54 posts · Joined 2021. Threaded the bolt into the flapper in the open position, never disconnected the power . May 5, 2019 · OP, the main difference between the RB fitting vs the VTT and other "delete" fittings is that the RB fitting has a hole machined into it that a stock 2JZ valve slides into, whereas the delete fittings offer a -8 connection. Jun 23, 2021 · 18. #11 · May 4, 2020. I ended up putting a flowmaster 10 series on and it was still too quiet. Shop All Truck Exhaust. Just remove the cables and leave the servo motor in place, does not weigh much at all and your done! 02-15-2020, 11:05 AM #9. Part # 140914 2022-2023 Chevrolet Silverado 1500 ZR2/ GMC Sierra 1500 AT4X 6. Mar 8, 2021 · I know the video makes it look like a lot but simply take pictures as you go. Overall I like the sound and seems to get going when needed a bit quicker. Pull fuse F203. Get a range module. $50. It was gas capless, and if you tried to put gas in from a gas can it would flow all over outside The valve doesn't unbolt, its part of the middle section of the headers. I had one in my 2018 2500HD. borla. Sep 10, 2021. Chevrolet Silverado 1500 Aftermarket Performance Exhaust Jun 16, 2017 · N. Tax included. Feb 7, 2021 · On an offroad only vehicle, yes, remove it, and turn the code off in the file. Aug 3, 2020 · 1. Clamps and instructions are provided. May 3, 2018 · 22749 posts · Joined 2005. Now I have a "rumble" as I was wanting, but have gained a noticeable (strange noise) at low speeds due to that damn DFM cutting out some of my cylinders. $72. Borla S-Type Cat-Back Exhaust Systems 140769 Jun 6, 2020 · We bring this truck TO LIFE with an aftermarket part from AFE Power! 2020 Silverado LT Trail Boss 5. #1 · Jun 16, 2017. Aug 2, 2023. DPF Delete Full 4 Inch Exhaust System. 2L. then it went up to 16. I had a Magnaflow exhaust put on my new truck this morning. I am curious what the piece is there for and if it is needed and if anyone has had this Jan 23, 2020 · Also deleted the resonator and flapper valve. If you're looking for simple, Rob's kit works well. I didn’t get the 6. 5 Icon Alloy Rebound w/ LT285/70r17 Falken Wildpeak, N-fab RS Steps, Borla Xr-1 Cat Back Muffler Eliminator Pipe, D-Fit Muffler Delete Pipe, 409 Stainless, Slip Fit, Clamps, Dodge, Ram, 1500, 5. www. 2) Go into trunk, pull fuse F203 (while car is still on) 3) Verify flaps are still open. Snap pics where the wires you unplug go and parts you take off. AFM kicked in on the drive leaving the shop and the vibration is awful at highway speeds. aFe Apollo GT Muffler Delete Pipes. Dec 16, 2020 · In this video we show you the simple installation of the KM muffler delete pipe fot the Chevrolet 1500 Silverado. 3L. Muffler swap and keep the flap in place 4. 68. (Straight Pipe) DIY at-home. 5L Diesel (gone) Aug 4, 2023 · Not sure what kind sound he is going for, but it will probably be a very "unique" sound. Jan 16, 2022 · 8. #10. I wasn't born in Texas but I got back here as soon as I could. Oct 29, 2019 · Park and cool down: Park your Silverado in a safe and level area, and let the engine cool completely. This is why I was asking for opinions on keeping the factory muffler and removing the flapper and resonator. If you quickly place the truck in drive or reverse in that 30 seconds, the rattle disappears, but as soon as you put in back in park or neutral the rattle This video is about deleting resonators on a dual exit exhaust on gm trucks with the built in screen resonators! I hope you enjoy and please subscribe and li May 16, 2020 · Deleted the muffler and the flapper valve and left the resonators in place. 00. sounds so much better in person now. #9. 133 reviews. "A well balanced setup will drive so nice May 30, 2014 · 518 posts · Joined 2013. What I'm wondering is whether I should get a whole new intake horn or just the sinister throttle valve delete. muffler delete, flapper. Learn more. Application. Mar 30, 2021 · In todays video we do a basically free mod to my Chevy Silverado that really wraps up the entire exhaust setup! This super easy mod makes it much louder at l Oct 19, 2010 · (this is a re-upload of a previous video that had sound issues)Greg demonstrates how to remove the toilet flapper valve and shows the many kind of flapper mo Nov 3, 2023 · Thermal Bypass Valve Jump to Latest Follow 1K views 2 replies 3 participants last post by turbocitytom Nov 4, 2023 Jul 13, 2014 · Quote. Rated 5 out of 5 by Kevin48733 from Very easy install and sounds good I put this on my 2020 Silverado with a 6. Chevy Mechanic: Randall J. Fitment: 2019 Chevrolet Silverado 1500; 2020 Chevrolet Silverado 1500; 2021 Chevrolet May 31, 2019 · For my 2021 Chevy Silverado with the sound resonators in the tail pipe, this muffler delete system was the answer. VVT is a different animal. It is a simple spring mechanism. Michigan. Opening at 158 degrees instead of the 194 degrees F. 3L Silverado Feb 26, 2020 · 1. Aug 11, 2014 · 63 posts · Joined 2013. Fitment: 2019 Chevrolet Silverado 1500; 2020 Chevrolet Silverado 1500; 2021 Chevrolet Sep 7, 2021 · Exhaust rattle noise. Mar 22, 2021 · AFE Muffler Delete Pipe Install On My 5. Fitment: 2019 GMC Sierra 1500; 2020 GMC Sierra 1500; 2021 GMC Sierra 1500; 2022 GMC Sierra 1500 Apr 15, 2021 · If you decided to remove your factory mud flaps you probably found out real quick that there is holes in the fender behind them! NO FUN! Well here is the sol Not sure how that works on ‘18s but it was highly recommended not to delete the resonator on my ‘14 with cylinder deactivation still active. SilveradoJoe19692009 said: There is a pressure relief valve located in the pan directly above the oil filter. . Mar 12, 2020 · Muffler delete straight pipe. Flap stays open (as in Sport Mode) and can easily be put back as needed. Welcome to the site. Our Price. Ask Your Own Chevy Question. #13 · Nov 30, 2022. BossEric22 said: I'm considering installing the AFE Power muffler eliminator pipe. I also have the AFM disabler. #4 · Jul 19, 2020. 3L Chevrolet Silverado 1500 models. This route was $915 cheaper. There is also a third O2 sensor in the Fix the annoying or sqeaky exhaust flapper noise on your vehicle!This was done on a 2018 silverado 1500 LT#chevrolet #exhaust #gmc #chevroletsilverado Verify parts fit and get product recommendations. Replacing the stock 2. 5 However, after I did the muffler and flapper valve delete, it went up to 17. $74. This AFE Apollo GT Series 3-inch Muffler Delete Pipe is designed to fit 2019-2024 5. I'm going to fix that with a Borla ProXS 40359 muffler. So much better without flapper valve. I would keep the factory resonator. 3L V8 EXHAUST w/ MUFFLER DELETE!#EXHAUSTADDICTS #GMC #SIERRAComment below with your thoughts & comments!Follow us on Instagram!@theexhausta Feb 13, 2023 · 2019 TB Custom. 2. Take off the valve cover: Loosen and remove the bolts holding the valve cover in place, then lift off the cover. (You save $12. So, I have a Super 10 and posted a video a couple days ago. 95 (set of 4) FREE Shipping on orders over $119 Market Price $86. Wait for Borla Touring exhaust (It was cat back on the old Yukon/Tahoe) and had the flap 5. 1 post · Joined 2017. I watched the Hawaiian/Texas Garage video on uTube and it sounds great! It's also the least expensive option that I've seen. When the engine is running, the valve stays open, allowing the exhaust gases to flow Aug 13, 2020 · As of now my plan is to remove the stock muffler and flapper valve, replace with the Borla, and keep the resonator. Sounds good, a hearty cold start (very noticeable from stock) and some thoatiness driving. 2020 CHEVROLET SILVERADO 1500 Individual Parts. I would get a catch can on it as well. Thought I’d do a quick post on this since I’m sure it’ll come up more and more as the ‘21s start hitting the road. It is solely based off exhaust flow and pressure. By removing the bulky mud flaps, this kit reduces weight and wind resistance, which can lead to improved fuel efficiency and handling. #1 · Jan 10, 2022. It might have a small affect on emissions as well your best bet is to,leave it alone. 2 to have the power of 8 cylinders running all the time. 2L and couldn't be happier. I hope all goes well. Apr 15, 2020 · this is the one I got, but my over all MPG from before was about 15. Zero welding was needed. Jun 24, 2021 · I noticed GM has since put the redesigned exhaust valve in front of the muffler on the 2018 Silverados and Sierras on the 5. 2014 Sierra 1500 SLE SCSB 4X4 5. #1 · May 9, 2021. We send either Flo~Pro OR MBRP (P1) Race Exhaust systems depending on what is Aug 1, 2021 · Prosper, TX. Muffler swap for one of the ones being used on 19/20 GM pickups (No flap) 3. The updated valve is suppose to allow the transmission to run cooler. SKU: MCG50798. #6 · Aug 2, 2015. Apr 8, 2022 · My 2013 had no resonator or flapper valve from the factory, just a standard GM factory muffler and I had ZERO drone with AFM disabled. 2 quarter mile time. I was told by one individual that removing the flapper (adaptive)valve behind the muffler would throw codes and check engine lights. I have a 2020 wide body scat a 8 trans. I had a Flowmaster Super 44 installed a couple of weeks ago on my 2018 Silverado LT and deleted my resonator. If you’re looking for a performance exhaust system with a Lifetime Warranty, this Oct 17, 2023 · 2019 Custom 5. #2. I am on /off each day for followups as need, Thanks again. It doesn't really have a very stiff spring so the back pressure won't make a ton of difference as far as warm up time goes. 25" Readylift w/ucas, 17x8. Virginia Beach. Mar 22, 2024 · I have a 2019 TB with 5. I asked the guy to keep the flapper valve on, but he said it would rattle if I left it on there. I would get at least a Range device to turn off AFM, then you can remove the flapper or just fix it to stay open with some worm gear clamps or something and see how it sounds in your opinion before removing resonator. #3. 2L GMC Sierra 1500 models. 3l and we noticed there is some sort of valve right after the muffler. 0L VVT Vortec V8, 6. We would like to show you a description here but the site won’t allow us. Results 1 - 25 of 149 25 Records Per Page Default Sort . Silverado 1500 Sales Techs: Connect Now M-F 8:30A-11P, Sat-Sun 8:30A-9P. I checked in on the Pulsar LT system but they responded that they did to have a solution for the refreshed 2022 and up with the 10 speed Aug 17, 2021 · You will probably want to remove the flapper valve, resonator, and stock muffler. Application. I kinda wish I had kept the resonator though. remove the spring , made sure the flap is in open position and tightened the bolt to hit the flapper . Mar 10, 2022 · I have a 2020 Sierra with the 6. 3 muffler delete coldstart. I know a lot of people have removed that valve, so what is Sep 1, 2021 · I stick open th flapper valve on the exhaust with pipe clamps. VVT lets the computer change the timing associated with valve opening and overlap. . #1 · Aug 13, 2020. Available for a variety of models of Silverado 1500 trucks including 4. 2020 GMC Sierra 5. Flomax did not perform the sound I was looking for. Sort by Oldest first. I do have an S&B CAI (added a touch of throatiness before the delete) Chevrolet Silverado 1500 2019-2024 Front & Rear Mud Flap Delete Kit. The Muffler Delete Pipe will install in place of the old muffler. 19172 posts · Joined 2012. DRIVEN AND NO CHECK ENGINE LIGHT. I didn't notice any drone on the highway or anywhere for that matter. Best bet, replace the EGR valve. The flapper is not temperature sensitive at all. 7 has a valve in the exhaust. 2020 Silverado RST 5. Oct 9, 2020 · 19491 - Magnaflow Direct-Fit Muffler Delete Kits is rated 5. I deferred to his experience and had it removed. I will be solving that soon via a Range Device. Thread starter Frombieman; 2020 Messages 112 Reaction score 66 Points 28. Firestone Ride-Rite Bags AiRaid MIT Diablo inTune i2030. That is incredibly impressive for a 6,500-pound Oct 11, 2020 · Oct 18, 2020. Proudly Made in Canada. The McGaughys Suspension Mud Flap Delete Kit is designed to enhance the look of your 2019-2024 Silverado 1500 while also improving performance. I will need to figure out what to use in the end for a weight/clunk to put INTO the tubing so as not to catch on the flapper valve when removing the tube. T409 Stainless Steel tubing is easy to clean. Mpg’s have gone up some and still does not downshift when pulling hills that u would think it needed to when the cruise is set. But that's your choice and it's not really needed if you aren't running performance mods. Ted. And I even tried the Flomax before I put this on. This AFE Apollo GT Series 3-inch Muffler Delete Pipe is designed to fit 2019-2024 6. So the question is what effect exactly does the resonator have on sound? Aug 1, 2020 · 1787 posts · Joined 2013. My GS is 2021 and the flapper valve is still working fine. NO MODIFICATION NEEDED, this plugs right into the valve cover and uses two o-rings that are provided for perfect tight fitment. 7l with efi live. May 18, 2023 · 2022-2023 Chevrolet Silverado 1500 ZR2 Cat-Back Exhaust System S-Type Part # 140914. 32 ) Add to Wish List. 2L V8 Automatic Transmission 4WD Crew Cab With Cat-Back Exhaust System. This AFE Apollo GT Series 3-inch Muffler Delete Pipe is designed to fit 2019-2020 6. Mcgaughys. It's hard to keep the valve since jta so close to the muffler. 19 posts · Joined 2020. My guess the flapper valve is the most likely as the Gas Capless new gas vehicles have them. Jun 3, 2019 · I wound up buying a Borla S -type muffler for $160 on Amazon. I just went on a 4 hour trip for business and cruise control set at 80, could barely hear it in the truck. Get Yours Today! We have the best products at the right price. They charged me $120. AFE Apollo GT Series muffler delete pipe,flapper wide open,S&B CAI,throttle body spacer,waiting on Stillen scoop. the sound you are describing occurs from "lugging"- low RPMs, low torque output, too much fuel down into the combustion chamber (s) burning unevenly and/or pre-denonating just before the intake valve shuts. Cat-back systems, resonators, flapper valves, or any exhaust related topics. My cab drone is pretty intense in the 1700-2000 rpm range. Keep in mind, I’m at sea level and the temperature was 35 degrees. Part Groups. #2 · Jun 29, 2017. Jun 25, 2021. 86 out of 5 stars ( 21 ) Jan 10, 2022 · 94 posts · Joined 2021. We had to take a bolt out of a shock to easily get the existing exhaust pipes out since we didn’t cut them and then put the bolt back in (passenger side). The newer trucks have three cats? Don't discount Corsa. I can’t find an updated part though. ARMOR PLUS Series exhaust systems are crafted from corrosion-resistant T409 Stainless Steel – a value-oriented material that will stand up to almost anything you can throw at it. 2 L it was very easy to install and sounds good it's not too loud and gives it a nice little Rumble like a truck should sound 2019-2021 Silverado Muffler Delete. #1. Pay in 4 interest-free installments of $12. The price difference between the two is pretty large. 0 out of 5 by 1. #1 · May 30, 2014. 3 and did a muffler delete with an AFE Apollo GT pipe and then had local muffler shop remove flapper. Had the muffler replaced with 3 inch 409 stainless pipe and left the flapper valve in. Location. 2L EcoTec3 V8 Silverados, and much more. 2 days later I took it back and had them straight pipe it. a m Nov 10, 2021 · WANT 4 INCH BLACK EXHAUST TIPS? CLICK THE LINK BELOW!https://amzn. #1 · May 3, 2018. Keeps things really easy and safe. My 5. But when and if it goes bad, I'll remove it. The toughest part was removing the 6 screws on chrome trim (at bumper exhaust tips). VS - N54 Flapper Delete Fitting. I have scoured the internet for any verification of this, and can't find anything. Purchased it anyways and I love it. Feb 2, 2021 · I just put in a 5/16 th. jim. An exhaust flap in front of the muffler is actuated by an electronically controlled servomoter via a cable. 1) Turn car on, put in sport. bolt in thru the holes in the mounting plate . com. 7, may be better off going through a muffler shop This Magnaflow Direct-Fit Replacement Muffler Delete Pipe is specifically designed to fit the 2019-2024 Chevrolet Silverado 1500 models equipped with the 5. I bought the 6. Jun 11, 2017 · A look at the stock muffler with flapper valve and the straight through design of the resonator Jun 14, 2023 · jpel said: The flapper valve enhances low end torque. Muffler was replaced by a piece of 3 inch pipe. 4 seconds under the same conditions, with a 14. Sold individually. Call now 1-888-706-1096 Chat Now. As of now my truck is a 2008 deleted 6. 42 Z60/Z82 HD Tow. I did muffler delete but kept the flapper valve. I have since added a K and N cold air kit. Forget about the hacks. I seen one article that said if using high volume oil pump to leave it in place. It has the sound I was looking for. 75in piping with 3in would also be beneficial to the sound, especially if the muffler and exhaust piping are the same diameter. Ray. ? Jul 29, 2015 · 5200 posts · Joined 2010. 3L Flex 6L80E 3. I didn't think the 2. Remove components: Carefully remove any components blocking access to the valve cover, such as the air-intake assembly and hoses. I would probably keep the flapper because of AFM. No parasitic battery drain. 3L engine. #1 · Aug 11, 2014. Add to Cart. Just right. So my buddy just bought a 2014 gmc sierra with a 5. Use plastic baggies and write on the bags for each part you take off and each bolt or set of bolts. 2017 GMC Sierra. 50 with. on the one side there is a spring between 2 metal plates that you can twist it and push it in and when he gives it throttle the metal plate turns clockwise. muffler delete- just replacing the muffler with a straight pipe. 2L trucks are nearly silent. Feb 7, 2022. Utilizing state-of-the-art computer-aided design technology, these muffler deletes are designed for custom, high-tolerance factory fitment. May 29, 2023 · An exhaust flapper valve is an important component of an exhaust system. I tuned off AFM and deleted the resonator, sounds fantastic. BEST SOUND Jun 29, 2017 · RayVoy. The Delete Exhaust is a full 4 inch exhaust system from down pipe back entirely replacing your old exhaust systems and deleting all emissions components, meant to work in conjunction with the Delete Tuning. Apr 11, 2021 · New 2019 - 2022+ GMC Sierra and Chevrolet Silverado 6. Cold start is a healthy growl that settles. Let's hope we get a solution to this soon. 8L Vortec V8, 6. It also does quiet the exhaust a bit also. $99. 0L (gone) 1996 Silverado C2500HD ECLB 6. It also seems I am getting a little umph when stepped on. This constantly adjusts the internal diameter of the exhaust system to suit engine revs and ensures good low to mid-range performance for a linear power output all the way to the rev limiter. Reminds me of my 85 Blazer. This is the answer for anyone with a 2020 and a Chevy Silverado or GMC pick up. doesnt seem to change The Muffler Delete Pipe will install in place of the old muffler. No flapper! I’m liking the sound now. These products come with our Chevrolet Silverado cat-back kits. 2. Apr 10, 2019 · Muffler delete, adaptive exhaust valve delete, resonance free pipe delete, straight pipes, deep Aug 22, 2023 · The good news is, you can actually remove or delete the valve without causing any issues. D. 2L Chevrolet Silverado 1500 models. I’ve heard some chatter that GM released an updated thermal bypass valve for the 60l80e 6 speed transmission. Simply replacing the flapper w a link pipe isn’t really an option on the new bikes since it is welded into the pipe now on the Cat side. #2 · May 15, 2018. The S-Type cat back system was $1195 on Amazon. I had a local muffler shop weld it on. First start truck rattle noise underneath truck, sounds like it is possibly coming from exhaust. I currently have the flapper clamped open with a band clamp as I have a Diablo Intune programmer with AFM/DOD disabled. Apollo GT Series muffler delete pipes are constructed of mandrel-bent 409 stainless steel tubing for maximum strength and durability. and covered the resonator screens with exhaust tape. Oct 14, 2018 · It's actually an easy fix - takes 1 minute to pull one fuse and all done. 2018 Silverado 1500 Z71 4WD LTZ Double Cab 5. 2L Chevrolet Silverado 1500 models with Factory Single Exhaust with Single Front Exhaust Oct 20, 2021 · 19977 posts · Joined 2012. Quantity. 6 Reviews. Like. It was way too loud on a cold start so I bought the touring pipe and muffler. dk db xh in sb pp br re wc ch