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Audi Performance Downpipes

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Large Bore Downpipes And Hi-Flow Sports Cats

ES#4339829 - SSXAU909 - Large Bore Downpipes And Hi-Flow Sports Cats - Featuring Milltek Sport Hi-Flow sports cat, fits to Milltek Sport Cat Back systems. - Milltek Sport - Audi

Featuring Milltek Sport Hi-Flow sports cat, fits to Milltek Sport Cat Back systems. Requires stage 2 software

Brand:
Milltek Sport - Corporate Logo
ES#:
4339829
Mfg#:
SSXAU909
Ships on Nov 13, 2026
$6486.99

This product was last offered at the strikethrough price on
08-17-2026

$6486.34 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Large Bore Downpipes With High Flow Sport Cats

Featuring Milltek Sport Hi-Flow sports cat, fits with OE cat-back system. Requires stage 2 software

Brand:
Milltek Sport - Corporate Logo
ES#:
4339825
Mfg#:
SSXAU910
Ships on Nov 13, 2026
$6467.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport Stainless Steel Racing Catalyst Set

ES#4265531 - 034-105-4046 - 034Motorsport Stainless Steel Racing Catalyst Set - Designed as a drop-in replacement for the restrictive B9 RS5 factory catalytic converters - offers increased horsepower and torque throughout the powerband, reduced turbocharger lag, improved throttle response, and enhanced exhaust note! - 034Motorsport - Audi

Designed as a drop-in replacement for the restrictive B9 RS5 factory catalytic converters - offers increased horsepower and torque throughout the powerband, reduced turbocharger lag, improved throttle response, and enhanced exhaust note! 2X Entries Into Our F80 M3 Sweepstakes
*This catalyst requires a Stage 2 Racing Use Only Remap to eliminate any check engine lights due to removal of the factory catalyst*

Brand:
034Motorsport - Corporate Logo
ES#:
4265531
Mfg#:
034-105-4046
Ships in 2 Business Days
$2152.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IE ProCore Performance Cast Downpipe - B9 S4/S5

ES#4708493 - IEEXCK6 - IE ProCore Performance Cast Downpipe - B9 S4/S5 - Check-Engine Light free! An emissions-friendly approach to exhaust upgrades! - Integrated Engineering - Audi

Check-Engine Light free! An emissions-friendly approach to exhaust upgrades!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4708493
Mfg#:
IEEXCK6
Ships in 4 Business Days
$2874.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Stainless 2.5" Downpipe

ES#3175270 - 251126R - Performance Stainless 2.5" Downpipe - High flow, stainless downpipe kit to be used with factory exhaust - Techtonics Tuning - Audi

High flow, stainless downpipe kit to be used with factory exhaust Fits manual transmission models only - To be used with factory exhaust

Brand:
Techtonics Tuning - Corporate Logo
ES#:
3175270
Mfg#:
251126R
In Stock
$286.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

HJS Tuning 2.5" High-Flow ECE Downpipes

ES#3508359 - SSXAU725 - HJS Tuning 2.5" High-Flow ECE Downpipes - Featuring HJS Tuning 200cpsi ECE-approved sports cat - Fits with OE and Milltek cat-back systems. - Milltek Sport - Audi

Featuring HJS Tuning 200cpsi ECE-approved sports cat - Fits with OE and Milltek cat-back systems.

Brand:
Milltek Sport - Corporate Logo
ES#:
3508359
Mfg#:
SSXAU725
Ships on Nov 13, 2026
$5244.99

This product was last offered at the strikethrough price on
08-17-2026

$5244.07 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

AWE Resonated Performance Downpipe - B8/B8.5 2.0T

ES#4043930 - 3215-11020 - AWE Resonated Performance Downpipe - B8/B8.5 2.0T - Designed using CAD modeling software to produce smooth gradual bends, eliminating flow interference. - AWE - Audi

Designed using CAD modeling software to produce smooth gradual bends, eliminating flow interference. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
AWE - Corporate Logo
ES#:
4043930
Mfg#:
3215-11020
In Stock
5% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$678.99

This product was last offered at the strikethrough price on
10-24-2026

$645.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

2.5" Performance Downpipe Set

ES#3557460 - CTSEXHDP0017 - 2.5" Performance Downpipe Set - For substantial power gains, improved exhaust flow and a more throaty sound! - CTS - Audi

For substantial power gains, improved exhaust flow and a more throaty sound!

Brand:
CTS - Corporate Logo
ES#:
3557460
Mfg#:
CTSEXHDP0017
Ships in 7 Business Days
ON SALE! SAVE 15%
$599.99

This product was last offered at the strikethrough price on
09-29-2026

$509.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Large Bore Downpipes And Hi-Flow Sports Cats

Heat wrapped to keep temperatures down. 3.00" outlet Requires Stage 2 ECU Remap
OPF Models Only

Brand:
Milltek Sport - Corporate Logo
ES#:
4349792
Mfg#:
SSXAU901
Ships on Nov 13, 2026
$5098.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

3" Hi-Flow Downpipes

ES#2992809 - SSXAU554 - 3" Hi-Flow Downpipes - Featuring Milltek Sport 100-cell Hi-Flow Sports Cats - Milltek Sport - Audi

Featuring Milltek Sport 100-cell Hi-Flow Sports Cats Must be fitted with Milltek Sport Cat-Back System - Requires stage 2 ECU remap and oxygen sensor extension leads

Brand:
Milltek Sport - Corporate Logo
ES#:
2992809
Mfg#:
SSXAU554
Ships on Nov 13, 2026
$5061.99

This product was last offered at the strikethrough price on
08-17-2026

$5061.10 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

3" Large Bore Downpipe

ES#2827548 - SSXAU431 - 3" Large Bore Downpipe - Featuring Milltek Sport Hi-Flow Sports Cat - Milltek Sport - Audi

Featuring Milltek Sport Hi-Flow Sports Cat

Brand:
Milltek Sport - Corporate Logo
ES#:
2827548
Mfg#:
SSXAU431
Ships in 7 Business Days
$1243.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Unitronic Performance Downpipes For C8 RS6/RS7

ES#4623241 - UH061-EXA - Unitronic Performance Downpipes For C8 RS6/RS7 - Paired with Unitronic Stage 2 Performance Software and other supporting bolt-ons, these Performance Downpipes help yield up to 819HP / 760LB-FT. - Unitronic - Audi

Paired with Unitronic Stage 2 Performance Software and other supporting bolt-ons, these Performance Downpipes help yield up to 819HP / 760LB-FT.

Brand:
Unitronic - Corporate Logo
ES#:
4623241
Mfg#:
UH061-EXA
Special Order: No Guaranteed ETA
$4849.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Downpipes

The downpipe carries exhaust gas from the hot side of your turbo to the rest of the exhaust system. Replace a faulty catted downpipe with an OEM downpipe or upgrade for more performance with our selection of aftermarket performance downpipe options.

Other Audi Performance Downpipes

Let us help you find the parts that fit your Audi

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Manufacturer names and/or part numbers are used only for identification purposes.

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