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Audi S5 Performance Engine Parts

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Universal Valved Muffler Kit - Single Inlet / Single Outlet - 3.0" (76mm) - 1 Muffler

ES#5457435 - UVM.76MM.X1 - Universal Valved Muffler Kit - Single Inlet / Single Outlet - 3.0" (76mm) - 1 Muffler - 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 - Valvetronic Designs - Audi BMW Volkswagen Mercedes Benz MINI Porsche

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

Brand:
Valvetronic Designs - Corporate Logo
ES#:
5457435
Mfg#:
UVM.76MM.X1
Ships in 1 Business Day
ON SALE! SAVE 10%
$399.99

This product was last offered at the strikethrough price on
08-25-2026

$359.99 USD
Free Shipping

Weistec Audi / Porsche VAG EA839 3.0T W.3 Turbo Upgrade

ES#4715588 - 01-839-02087-8 - Weistec Audi / Porsche VAG EA839 3.0T W.3 Turbo Upgrade - 100% Bolt-on installation / Upgrade. You are required to ship Weistec your OE turbochargers as a core. - Weistec - Audi Porsche

100% Bolt-on installation / Upgrade. You are required to ship Weistec your OE turbochargers as a core. You are required to ship Weistec your OE turbochargers as a core.

Brand:
Weistec - Corporate Logo
ES#:
4715588
Mfg#:
01-839-02087-8
Ships in 1 Business Day
$2199.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ARMYTRIX Sport Cat-Pipe

Sport Cat-Pipe with 200 CPSI Catalytic Converter - Increase power, reduce weight, and improve sound!

Brand:
Armytrix - Corporate Logo
ES#:
4164584
Mfg#:
AU94S-CD
Ships on Sep 16, 2026
$2618.00 USD
Free Shipping

SP Series Cold Air Intake - Wrinkle Black

Better airflow for more power CARB certified for sale in all 50 states

Brand:
Injen - Corporate Logo
ES#:
3086224
Mfg#:
SP3079WB
EO#:
D-476-8
In Stock at Vendor
$491.99 USD
Free Shipping
on orders $49 and up

Cat-Back Exhaust System - Non-Resonated With Valves

2.50" stainless steel with quad GT100 burnt titanium tips Fits models with factory rear sports differential

Brand:
Milltek Sport - Corporate Logo
ES#:
3499455
Mfg#:
SSXAU713
Ships in 5 Business Days
$4405.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ValveSonic Upgrade Kit

Upgrade your Milltek system to Valve Sonic Up to the 2012 model year

Brand:
Milltek Sport - Corporate Logo
ES#:
2973066
Mfg#:
MSAUVS01KT
Ships in 5 Business Days
$2518.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System - Non-Resonated With Valves

2.50" stainless steel with quad JET-100 carbon tips Fits models without factory rear sports differential

Brand:
Milltek Sport - Corporate Logo
ES#:
3493663
Mfg#:
SSXAU684
Ships in 5 Business Days
$3874.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System - Resonated With Valves

2.50" stainless steel with quad GT-100 Cerakote black tips Fits models without factory rear sports differential

Brand:
Milltek Sport - Corporate Logo
ES#:
3493581
Mfg#:
SSXAU680
Ships in 5 Business Days
$3752.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System - Resonated With Valves

2.50" stainless steel with quad GT-100 titanium tips Fits models with factory rear sports differential

Brand:
Milltek Sport - Corporate Logo
ES#:
3499453
Mfg#:
SSXAU708
Ships in 5 Business Days
$4193.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System - Resonated With Valves

2.50" stainless steel with quad GT-100 burnt titanium tips Fits models without factory rear sports differential

Brand:
Milltek Sport - Corporate Logo
ES#:
3493582
Mfg#:
SSXAU682
Ships in 5 Business Days
$4651.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System - Non-Resonated With Valves

2.50" stainless steel with quad GT-100 polished tips Fits models without factory rear sports differential

Brand:
Milltek Sport - Corporate Logo
ES#:
3493660
Mfg#:
SSXAU685
Ships in 5 Business Days
$3506.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System - Non-Resonated With Valves

2.50" stainless steel with quad polished oval tips Fits models with factory rear sports differential

Brand:
Milltek Sport - Corporate Logo
ES#:
3499460
Mfg#:
SSXAU714
Ships in 5 Business Days
$3741.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System - Resonated With Valves

2.50" stainless steel with quad GT-100 polished tips Fits models with factory rear sports differential

Brand:
Milltek Sport - Corporate Logo
ES#:
3499452
Mfg#:
SSXAU706
Ships in 5 Business Days
$3752.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System - Resonated With Valves

2.50" stainless steel with quad GT-100 titanium tips Fits models without factory rear sports differential

Brand:
Milltek Sport - Corporate Logo
ES#:
3493649
Mfg#:
SSXAU681
Ships in 5 Business Days
$4193.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System - Non-Resonated With Valves

2.50" stainless steel with quad GT-100 titanium tips Fits models without factory rear sports differential

Brand:
Milltek Sport - Corporate Logo
ES#:
3493662
Mfg#:
SSXAU687
Ships in 5 Business Days
$3947.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Engine Parts

Our name says it all. That's why ECS Tuning is dedicated to providing our customers with the broadest possible assortment of engine tuning options at a range of prices and options to fit any budget. Start small and grow your car into something special with performance engine upgrades from a company that has tuning in its name and its blood.

Let us help you find the parts that fit your Audi

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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