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Audi 8S TTRS Quattro 2.5T Performance Parts & Upgrades

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WaveTrac Differential - Rear

ES#4620121 - 18.309.190WK - WaveTrac Differential - Rear - Wavetrac is the only gear diff on the market that does not lose all drive when one axle is unloaded. - Wavetrac - Audi

Wavetrac is the only gear diff on the market that does not lose all drive when one axle is unloaded.

Brand:
Wavetrac - Corporate Logo
ES#:
4620121
Mfg#:
18.309.190WK
Ships in 3 Business Days
$1695.00 USD
Free Shipping
on orders $49 and up

Cat-Back Exhaust System - Non-Resonated

ES#3699038 - SSXAU794 - Cat-Back Exhaust System - Non-Resonated - 3.00" Stainless Steel non-resonated system with dual Burnt Titanium oval tips (170x107mm) - Milltek Sport - Audi

3.00" Stainless Steel non-resonated system with dual Burnt Titanium oval tips (170x107mm)

Brand:
Milltek Sport - Corporate Logo
ES#:
3699038
Mfg#:
SSXAU794
Ships in 6 Business Days
$3350.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Non Resonated Cat Back System - Black Tips

An entire system from the cat back for a full sound overhaul!

Brand:
Milltek Sport - Corporate Logo
ES#:
4508198
Mfg#:
SSXAU962
Ships in 6 Business Days
$3309.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System - Resonated

3.00" Stainless Steel resonated system with dual polished oval tips (170x107mm)

Brand:
Milltek Sport - Corporate Logo
ES#:
3617509
Mfg#:
SSXAU729
Ships in 6 Business Days
$3306.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Roll-Control Sway Bar - Front

ES#4839835 - SUS00030 - Roll-Control Sway Bar - Front - Improve cornering performance by reducing vehicle body roll without greatly impacting comfort - APR - Audi Volkswagen

Improve cornering performance by reducing vehicle body roll without greatly impacting comfort Call In Or Chat For Best Price!

Brand:
APR - Corporate Logo
ES#:
4839835
Mfg#:
SUS00030
In Stock
11% off MSRP

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

$358.99

This product was last offered at the strikethrough price on
08-28-2026

$318.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Non-Resonated Valved Cat Back With Dual Polished Tips

ES#4858646 - SSXAU963 - Non-Resonated Valved Cat Back With Dual Polished Tips - For anyone looking to improve their sound and aesthetics - Milltek Sport - Audi

For anyone looking to improve their sound and aesthetics

Brand:
Milltek Sport - Corporate Logo
ES#:
4858646
Mfg#:
SSXAU963
Ships in 6 Business Days
$3176.99

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

$3176.83 USD
Free Shipping

Ohlins Road & Track DFV Coilover Kit

ES#4683110 - VWS MU21S2 - Ohlins Road & Track DFV Coilover Kit - Features 30-Level dampening adjustment and DFV technology - Ohlins - Audi Volkswagen

Features 30-Level dampening adjustment and DFV technology

Brand:
Ohlins - Corporate Logo
ES#:
4683110
Mfg#:
VWS MU21S2
Back Ordered
$3093.99 USD
Free Shipping

Throttle Body Inlet System

ES#4338062 - MS100198 - Throttle Body Inlet System - Provides a new, larger, free flowing system that flows roughly 34% more than stock! - APR - Audi

Provides a new, larger, free flowing system that flows roughly 34% more than stock! Call In Or Chat For Best Price!

Brand:
APR - Corporate Logo
ES#:
4338062
Mfg#:
MS100198
Ships in 4 Business Days
11% off MSRP

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

$1124.99

This product was last offered at the strikethrough price on
08-28-2026

$999.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Spherical Dogbone Mount Performance Pack Without Dogbone Pucks

ES#4715395 - 034-509-1044-2 - Billet Spherical Dogbone Mount Performance Pack Without Dogbone Pucks - Performance products associated with the dogbone mount in one comprehensive and convenient package. - 034Motorsport - Audi

Performance products associated with the dogbone mount in one comprehensive and convenient package. 2X Entries Into Our F80 M3 Sweepstakes
For vehicles with version 2 dogbone mount
For vehicles with version 2 dogbone mount

Brand:
034Motorsport - Corporate Logo
ES#:
4715395
Mfg#:
034-509-1044-2
In Stock
ON SALE! SAVE 15%
$386.00

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

$330.03 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

2-Piece Floating Front Brake Rotor Upgrade Kit (370x34)

ES#4362078 - 034-301-1003 - 2-Piece Floating Front Brake Rotor Upgrade Kit (370x34) - Direct replacement rotors that reduce rotational mass and feature J-Slots for less noise but same benefits as conventional slots - 034Motorsport - Audi

Direct replacement rotors that reduce rotational mass and feature J-Slots for less noise but same benefits as conventional slots 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4362078
Mfg#:
034-301-1003
Ships in 3 Business Days
ON SALE! SAVE 14%
$1158.00

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

$990.09 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Slotted 2-Piece Semi-Floating Brake Rotors - Pair (310x22)

ES#3646729 - 000036ECS04AKT - Rear Slotted 2-Piece Semi-Floating Brake Rotors - Pair (310x22) - Direct bolt-on replacement - Save 4.70lbs of unsprung weight for enhanced performance! - ECS - Audi Volkswagen

Direct bolt-on replacement - Save 4.70lbs of unsprung weight for enhanced performance! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3646729
Mfg#:
000036ECS04AKT
In Stock
ON SALE!
$779.99

This product was last offered at the strikethrough price on
06-13-2026

$740.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Underbody Tunnel Brace - Rear

ES#4430843 - VWR810005 - Billet Underbody Tunnel Brace - Rear - Improve rigidity to help refine handling, while increasing clearance for larger diameter exhaust systems - Racingline - Audi Volkswagen

Improve rigidity to help refine handling, while increasing clearance for larger diameter exhaust systems

Brand:
Racingline - Corporate Logo
ES#:
4430843
Mfg#:
VWR810005
Ships in 3 Business Days
$223.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

AWE Exhaust System - Audi MK3 TT RS 2.5T

ES#4726498 - AWEMK3TTRS - AWE Exhaust System - Audi MK3 TT RS 2.5T - Comprised of handcrafted 3-inch and 2.5-inch U.S.-sourced T304L stainless steel single pass, 5-cylinder-specific tuned drivers side muffler with a valved passenger-side tip outlet. - AWE - Audi

Comprised of handcrafted 3-inch and 2.5-inch U.S.-sourced T304L stainless steel single pass, 5-cylinder-specific tuned driver’s side muffler with a valved passenger-side tip outlet. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
AWE - Corporate Logo
ES#:
4726498
Mfg#:
AWEMK3TTRS
Ships on Sep 17, 2026
Starting at $1845.00 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Adjustable Rear Sway Bar - Link

ES#3980859 - KLC202 - Adjustable Rear Sway Bar - Link - High quality pair of adjustable drop links, essential for lowered cars - Whiteline - Audi Volkswagen

High quality pair of adjustable drop links, essential for lowered cars

Brand:
Whiteline - Corporate Logo
ES#:
3980859
Mfg#:
KLC202
Ships in 2 Business Days
$167.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Bilstein B14 PSS Suspension System

ES#3129484 - 47-252349 - Bilstein B14 PSS Suspension System - Height adjustable suspension system with performance valving and application specific, progressive rate coil springs. World-famous Bilstein quality with a limited lifetime warranty! - Bilstein - Audi

Height adjustable suspension system with performance valving and application specific, progressive rate coil springs. World-famous Bilstein quality with a limited lifetime warranty! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bilstein - Corporate Logo
ES#:
3129484
Mfg#:
47-252349
Ships in 2 Business Days
$1339.00 USD
Free Shipping

Spherical Rear Sway Bar End Link - Pair

ES#3006223 - 034-402-4019 - Spherical Rear Sway Bar End Link - Pair - Direct drop-in upgrade for the plastic factory end links! - 034Motorsport - Audi Volkswagen

Direct drop-in upgrade for the plastic factory end links! 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
3006223
Mfg#:
034-402-4019
Back Ordered
Auto Notify
ON SALE! SAVE 14%
$311.00

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

$265.91 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Parts & Upgrades

All the performance upgrade options from the best brands in the business to help build your dreams. Our performance parts catalog is the largest anywhere and constantly growing to keep your build on track.

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