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Audi B8 RS5 4.2L Performance Engine Parts

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ES#4307641 - 30-3313 - AEM V3 Water/Methanol Injector Kit (Qty 2)  - Swappable swirl generators for 250/500/1000cc configurations! - AEM Electronics  - Audi BMW Volkswagen MINI

Swappable swirl generators for 250/500/1000cc configurations!

Brand:
AEM Electronics  - Corporate Logo
ES#:
4307641
Mfg#:
30-3313
In Stock
12% off MSRP

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

$129.99

This product was last offered at the strikethrough price on
09-08-2026

$114.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2827393 - SSXAU267 - Cat-Back Exhaust System - Resonated With Exhaust Valves - 2.37" stainless steel and retains OE exhaust tips - Milltek Sport - Audi

2.37" stainless steel and retains OE exhaust tips

Brand:
Milltek Sport - Corporate Logo
ES#:
2827393
Mfg#:
SSXAU267
Ships in 5 Business Days
ON SALE! SAVE 10%
$3569.99

This product was last offered at the strikethrough price on
08-29-2026

$3212.57 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3691644 - 856804-5003S  - Garrett GTX3584RS Turbocharger  - Garrett GTX3584RS Turbocharger; V-Band Inlet and V-Band Outlet Turbine Housing; 1.21 A/R. Garrett # 856804-5003S - Garrett - Audi Volkswagen MINI

Garrett GTX3584RS Turbocharger; V-Band Inlet and V-Band Outlet Turbine Housing; 1.21 A/R. Garrett # 856804-5003S Used for custom, big turbo applications only - ECS Tuning does not offer support on tuning, fueling, exhaust manifold, etc

Brand:
Garrett - Corporate Logo
ES#:
3691644
Mfg#:
856804-5003S
Ships in 6 Business Days
$2881.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#2827453 - SSXAU335 - Cat-Back Exhaust System - Non-Resonated With Exhaust Valves - 2.37" stainless steel and retains OE exhaust tips - Milltek Sport - Audi

2.37" stainless steel and retains OE exhaust tips

Brand:
Milltek Sport - Corporate Logo
ES#:
2827453
Mfg#:
SSXAU335
Ships in 5 Business Days
ON SALE! SAVE 10%
$3001.99

This product was last offered at the strikethrough price on
08-29-2026

$2701.22 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2764288 - MM0CU - Universal Oil Cooler - 10 Row - Upgrading cooling for your engine oil - Mishimoto - Audi BMW Volkswagen MINI

Upgrading cooling for your engine oil For custom applications only. Not a direct bolt on.

Brand:
Mishimoto - Corporate Logo
ES#:
2764288
Mfg#:
MM0CU
In Stock
$410.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4135253 - GRT-TBO-K51 - Garrett GEN2 GTX3076R Dual Ball Bearing turbocharger - Garrett GEN2 GTX3076R dual ball bearing turbocharger with a T04E frame (4" inlet and 2" outlet compressor housing) and a .61 A/R Divided (Twin-scroll) V-Band Inlet and GT 3" V-Band outlet turbine housing (Ni-Resist Material). - ATP - Audi Volkswagen

Garrett GEN2 GTX3076R dual ball bearing turbocharger with a T04E frame (4" inlet and 2" outlet compressor housing) and a .61 A/R Divided (Twin-scroll) V-Band Inlet and GT 3" V-Band outlet turbine housing (Ni-Resist Material). Used for custom, big turbo applications only - ECS Tuning does not offer support on tuning, fueling, exhaust manifold, etc

Brand:
ATP - Corporate Logo
ES#:
4135253
Mfg#:
GRT-TBO-K51
Ships in 6 Business Days
$2265.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2764082 - MM0CUL - Universal Oil Cooler - 19 Row - Serious engine oil cooling for the most demanding engines - Mishimoto - Audi BMW Volkswagen MINI

Serious engine oil cooling for the most demanding engines For custom applications only. Not a direct bolt on.

Brand:
Mishimoto - Corporate Logo
ES#:
2764082
Mfg#:
MM0CUL
In Stock at Vendor
$536.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4727462 - AWEB8RS5 - AWE Touring Edition Exhaust System - Audi B8 RS5 - Brings out an aggressive, raw V8 rumble! Features AWE's proprietary 180 Technology resonators. - AWE - Audi

Brings out an aggressive, raw V8 rumble! Features AWE's proprietary 180 Technology® resonators. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
AWE - Corporate Logo
ES#:
4727462
Mfg#:
AWEB8RS5
Ships on Sep 29, 2026
Starting at $2045.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

2.5" half-exhaust built to last with 304 stainless steel and engineered for dyno-proven power gains

Brand:
Scorpion - Corporate Logo
ES#:
3969347
Mfg#:
SAU048
Ships in 2 Business Days
$1966.99 USD
Free Shipping
ES#3184660 - SBAU0013S - Sprint Booster V3 Power Converter - Reduces the delay of your "Drive by Wire" throttle response - All new V3 model provides additional features such as 'valet' and 'pedal lock' modes - Sprint Booster - Audi

Reduces the delay of your "Drive by Wire" throttle response - All new V3 model provides additional features such as 'valet' and 'pedal lock' modes Fits both manual and automatic transmission models

Brand:
Sprint Booster - Corporate Logo
ES#:
3184660
Mfg#:
SBAU0013S
Ships in 10 Business Days
$289.99 USD
Free Shipping
on orders $49 and up
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.

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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