Helps reduce turbo lag and enhance the exhaust note.
Helps reduce turbo lag and enhance the exhaust note.
Deliver up to 577HP with a matching IE Stage 2 Tune and turn your 2.5T into an all-out power monster!
*Does not include Y-pipe adapter (IEEXCQ3) - Necessary if mating to stock cat-back system*
Featuring 400 cell high flow catalytic converter
4.00" 304 stainless performance downpipe system with a high flow sports catalyst
Featuring Milltek Sport High-Flow sports cat, fits with OE and Milltek cat-back systems.
Used to adapt IE downpipe (RS3/TTRS) to stock Cat-back system, or IE Cat-Back (RS3) to stock downpipe
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!
2X Entries Into Our F80 M3 Sweepstakes
*Requires a Stage 2 ECU Remap to eliminate check engine light and to take full advantage of power gains*
A perfect fit, smooth exhaust flow, and excellent sound
Stage 2 software is required to avoid check engine light.
This product was last offered at the strikethrough price on
09-29-2026
Between the exhaust manifold and downpipe, requires 2
2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Clamps downpipe to turbo
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
08-31-2026
Between the exhaust manifold and downpipe, requires 2
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
10-06-2026
Between the exhaust manifold and downpipe, requires 2
We Price Match - Give Us A Call or Chat!
Featuring HJS Tuning 200cpsi ECE-approved sports cat - Fits with OE and Milltek cat-back systems.
Includes Supersprint stainless downpipe pre-cat pipe and Supersprint High-Flow Metallic catalytic converters