3.00" Stainless Steel with dual Polished oval tips - Retains valves from OE system
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
The IE 304L Stainless system features a massive 3.5" straight-through center pipe that splits to dual 3" pipes out the back with the valves open - This is enough flow to power even the largest turbo setups!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes! *To be used with IE downpipe IEEXCQO1 / ES3677700 (Does not include Y-pipe adapter to mate with factory downpipe)
Replaces the restrictive secondary midpipe - Fits both OE and Milltek Sport systems
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms *** Not all vehicles come equipped with secondary cats, visual check recommended before ordering ***
Carbon Fiber exhaust tips featuring swivel attachment for maximum adjustability. 2.5" Swivel Inlet / 4.0" Double Wall, Slant Cut Outlet
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! Not vehicle specific. You MUST measure prior to purchasing!
Brand:
ES#:
4305399
Mfg#:
004735LA01KT
In Stock
ON SALE!
$349.99
This product was last offered at the strikethrough price on 06-13-2026
Used to adapt IE downpipe (RS3/TTRS) to stock Cat-back system, or IE Cat-Back (RS3) to stock downpipe
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
Offers increased horsepower and torque throughout the powerband *(+ 178 HP / + 179 TQ), reduced turbocharger lag, and an enhanced exhaust note - This is the ultimate downpipe solution for the discerning Audi enthusiast!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms *Requires a Stage 2 ECU Remap to eliminate check engine light and to take full advantage of power gains*
Stainless Steel exhaust tip featuring swivel attachment for maximum adjustability. 3.0" Swivel Inlet / 4.0" Double Wall, Slant Cut Outlet
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! Not vehicle specific. You MUST measure prior to purchasing!
Brand:
ES#:
4423335
Mfg#:
003358ECS07-01
In Stock
ON SALE!
$129.99
This product was last offered at the strikethrough price on 05-02-2026
Carbon Fiber exhaust tip featuring swivel attachment for maximum adjustability. 2.5" Swivel Inlet / 3.5" Double Wall, Slant Cut Outlet
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! Not vehicle specific. You MUST measure prior to purchasing!
Brand:
ES#:
4070068
Mfg#:
004735LA02
In Stock
ON SALE!
SAVE 12%
$149.99
This product was last offered at the strikethrough price on 05-02-2026
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Carbon Fiber exhaust tips featuring swivel attachment for maximum adjustability. 2.5" Swivel Inlet / 3.5" Double Wall, Slant Cut Outlet
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! Not vehicle specific. You MUST measure prior to purchasing!
Brand:
ES#:
4305404
Mfg#:
004735LA02KT
In Stock
ON SALE!
$305.99
This product was last offered at the strikethrough price on 06-13-2026
A perfect fit, smooth exhaust flow, and excellent sound
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Stage 2 software is required to avoid check engine light.
Lifetime Replacement
