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exhaust

  1. NEW Roush Active Axleback Exhaust - Lethal Performance

    Hey, All! Roush Performance just released their new Active Axle-Back Exhaust for 2018-2023 Ford Mustang GT’s! This system consists of a high quality, T304 Stainless Steel construction, an easy installation, and is back with Roush’s Limited Lifetime Warranty. Aggressive race-inspired...
  2. NEW Roush Active Axleback Exhaust - Lethal Performance

    Hey, All! Roush Performance just released their new Active Axle-Back Exhaust for 2018-2023 Ford Mustang GT’s! This system consists of a high quality, T304 Stainless Steel construction, an easy installation, and is back with Roush’s Limited Lifetime Warranty. Aggressive race-inspired...
  3. Virginia Sold: SOLD

    SOLD
  4. Spring Sales CONTINUED!!! CV Fabrication 10% OFF!!

    Hey, ALL! The Spring Sales here at Lethal Performance aren't even CLOSE to being over! One of the highlights for today that started is CV Fabrication! From now until 4/30; save 10% on CV Fabrication intercoolers, exhaust and much more! No code required, just add to cart! Check out the entire...
  5. Spring Sales CONTINUED!!! CV Fabrication 10% OFF!!

    Hey, ALL! The Spring Sales here at Lethal Performance aren't even CLOSE to being over! One of the highlights for today that started is CV Fabrication! From now until 4/30; save 10% on CV Fabrication intercoolers, exhaust and much more! No code required, just add to cart! Check out the entire...
  6. Outside of North America MBRP Carbon Fiber Tip x4

    Hey guys, I bought the MBRP Active Catback but was not a fan of the carbon fiber tips. They're 2.5 inch inlet and 4 inch outlet tips and about 7.5 inches long. I'm not looking for nothing crazy, just all 4 of them to be shipped and gone out of my hands for around $250 obo. They MSRP around $440...
  7. SOLD - NIB 2020+ Lethal Performance H-Pipe Plus Improved Clamps

    SOLD For Sale is a new-in-box, unopened Performance H Pipe and I am including the much preferred upgraded style clamps vs the ones that will be in the box from Lethal. I had plans to install this but went a different route with a cat-back. $260 + Actual Shipping Cost (FedEx or UPS) from 19380...
  8. Resonator Delete on OEM Factory Exhaust

    I’m thinking of having a resonator delete done on my 20 GT with OEM active exhaust. I’ve heard about the problem others have had with the active exhaust being unavailable after messing with it to do a res delete. How many of y’all with active have actually had this problem? I’m hoping the shop I...
  9. UP TO 40% OFF XForce Exhaust PLUS Spring Savings! - Lethal Performance

    Hey all! XForce just released their MOVING SALE + SPRING SAVINGS Sale for the entire month of March! Throughout the entire month of March, you can save up to 40% on select XForce Exhaust Systems, including various systems for S550 Mustang GT, Ecoboost, and V6, along with Focus ST and RS...
  10. UP TO 40% OFF XForce Exhaust PLUS Spring Savings! - Lethal Performance

    Hey all! XForce just released their MOVING SALE + SPRING SAVINGS Sale for the entire month of March! Throughout the entire month of March, you can save up to 40% on select XForce Exhaust Systems, including various systems for S550 Mustang GT, Ecoboost, and V6, along with Focus ST and RS...
  11. Ohio Sold: TSP Catless Connection Pipes - Texas Speed and Performance Exhaust

    Up for sale are catless connection pipes meant to connect TSP long tube headers to your stock exhaust. I don't believe TSP sells these anymore, they only sell the catted ones. Price: $100 Location: Cincinnati, OH Shipping: Yes, buyer pays shipping
  12. GT350 Catalytic Converters on GT

    Hey guys, just a question. Is it possible to run the OEM GT350 cats with piping on the regular GT’s? I have LTH but one day I know I’ll probably end up in a state that’ll do emission testing. With that being said, there’s a guy around here who went LTH on his GT350 and now has the factory Cats...
  13. Rhode Island 2018 Mutang GT active exhaust muffler and actuator

    Driver's side, left hand Mustang GT active exhaust muffler with actuator from my 2018 Mustang GT with 10K miles in perfect condition. Fits model years 2018 to present and installs easily using Ford muffler clamp FR3Z-5A231-A (not included). $400
  14. Georgia MBRP Stainless Exhaust for 2015-2022 Ecoboost Mustang

    MBRP Stainless Exhaust for 2015-2022 Ecoboost Mustangs. This is the street version. (not as loud) Comes with Stainless tips, stainless clamps, and all the hardware. This is a slip on system meaning there is no welding required. The part number for this is S7274409 This was only on my car for a...
  15. Ford Performance NEW Rear Exit Catback Exhaust Systems for the 2021-2023 Ford F-150’s!!

    Hey All! Ford Performance just added their NEW Rear Exit Catback Exhaust Systems for the 2021-2023 Ford F-150’s! With 3 different sound levels and now Rear Exit options, Ford Performance has developed systems for everyone!Whether your looking for a little extra growl or something to shake...
  16. Ford Performance NEW Rear Exit Catback Exhaust Systems for the 2021-2023 Ford F-150’s!!

    Hey All! Ford Performance just added their NEW Rear Exit Catback Exhaust Systems for the 2021-2023 Ford F-150’s! With 3 different sound levels and now Rear Exit options, Ford Performance has developed systems for everyone!Whether your looking for a little extra growl or something to shake...
  17. Decibel Readings (German Tüv Measurements)

    One of the nice things about being on base and having access to a certified TĂĽv (vehicle inspector) with a decibel meter that is calibrated, is that you can get an exhaust reading at the standard 1 meter away at a 45 degree angle from the exhaust tip. So here are my findings with an active...
  18. GT 2018+ MBRP Active Catback $1000

    I have a 2018+ MBRP active exhaust catback. It will come with a 3 inch X pipe and the original 3 inch H pipe to be able to have your choice of sound. I originally made cuts in the straight portion of the H pipe to fit 2x magnaflow resonators but I no longer have those. I cut the original 2.25...
  19. 12 Days Of Christmas at Lethal Performance! Today... Corsa Performance!!

    Hey, ALL! TODAY, our 12 Days of Christmas Sale brings you CORSA PERFORMANCE! You can save 20% on select Corsa Performance products, including their Cold Air Intakes and Catch Cans for 2018+ Mustang GT! PLUS, you get SPECIAL PRICING on the ENTIRE Corsa Performance line when you LOG IN...
  20. HOURS LEFT for some EXHAUST for Lethal Performance Cyber Monday SALES!!

    Hey, ALL!! These Exhaust Sales END TODAY! 15% OFF AWE Exhaust! With solid, high quality construction and sound, AWE Exhaust is sure to make your car or truck into a totally different vehicle! Check AWE Exhaust Here! SHOP NOW | Mustang AWE Exhaust 10% OFF MRT Exhaust! With a wide...





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