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Audi Performance Engine Parts

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Non-Resonated (Loudest) Cat back System

ES#4622083 - B9RS5SBPDK - Non-Resonated (Loudest) Cat back System - An entire system from the cat back for a full sound overhaul! - Milltek Sport - Audi

An entire system from the cat back for a full sound overhaul! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
For Sportback Models Only

Brand:
Milltek Sport - Corporate Logo
ES#:
4622083
Mfg#:
B9RS5SBPDK
Ships on Nov 18, 2026
ON SALE!
Starting at $3506.28 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 RS4/RS5 Eventuri Intake System - Black Carbon

ES#3639519 - EVE-B9RS5-CF-INT - Audi B9 RS4/RS5 Eventuri Intake System - Black Carbon - Developed to give less restrictive airflow to the turbo while maintaining low inlet temperatures - Optimum performance, precise fitment, and bespoke style! - Eventuri - Audi

Developed to give less restrictive airflow to the turbo while maintaining low inlet temperatures - Optimum performance, precise fitment, and bespoke style! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Performance Gain: 11-16hp, 12-17ft-lb At The Wheels

Brand:
Eventuri - Corporate Logo
ES#:
3639519
Mfg#:
EVE-B9RS5-CF-INT
In Stock
$1750.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Ethanol Sensor Kit

ES#5477635 - TGK-0307-01 - Ethanol Sensor Kit - A plug and play solution to adding flex fuel on Audi C7 4.0T Vehicles - TGK Motorsport - Audi

A plug and play solution to adding flex fuel on Audi C7 4.0T Vehicles Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
TGK Motorsport - Corporate Logo
ES#:
5477635
Mfg#:
TGK-0307-01
Ships in 1 Business Day
$499.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IE Street/Race Exhaust Camshaft

ES#4361430 - IECVA2-1 - IE Street/Race Exhaust Camshaft - IE Street/Race Exhaust Camshaft for 400+ Horsepower Builds! - Integrated Engineering - Audi Volkswagen

IE Street/Race Exhaust Camshaft for 400+ Horsepower Builds! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Integrated Engineering - Corporate Logo
ES#:
4361430
Mfg#:
IECVA2-1
In Stock
$349.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbo Systems B9 S4/S5 3.0T Stage 2 Hybrid Turbocharger (650+ HP)

The Turbo Systems hybrid turbocharger is an original turbocharger that has been reworked to suit larger compressor and turbine wheels, along with a ball bearing cartridge. Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Emmanuele Design - Corporate Logo
ES#:
4415834
Mfg#:
TSH55TFSI-STG2
Ships in 1 Business Day
$3499.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

AWE Touring Edition Exhaust System - Audi 8V A3 2.0T Quattro

ES#4727739 - AWE8VA320 - AWE Touring Edition Exhaust System - Audi 8V A3 2.0T Quattro - Crafted from mandrel bent T304 Stainless Steel and replaces the rear exhaust section from the downpipe back. - AWE - Audi

Crafted from mandrel bent T304 Stainless Steel and replaces the rear exhaust section from the downpipe back. 2X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
AWE - Corporate Logo
ES#:
4727739
Mfg#:
AWE8VA320
In Stock
ON SALE!
Starting at $1745.00 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Bosch 044 High Flow Fuel Pump - 270 LPH

ES#514125 - 0580254044 - Bosch 044 High Flow Fuel Pump - 270 LPH - Great for when more fuel is needed in a custom fueling application - Bosch - Audi Volkswagen

Great for when more fuel is needed in a custom fueling application Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
514125
Mfg#:
0580254044
In Stock
$230.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

AEM V3 Water/Methanol Injector Kit (Qty 2)

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! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

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
10-28-2026

$114.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Aluminum Dog Bone Mount Insert

ES#2975981 - 034-509-1021 - Billet Aluminum Dog Bone Mount Insert - T6-6061 Billet Aluminum Engineered to Fill Void In Factory Subframe Bushing Mount - 034Motorsport - Audi Volkswagen

T6-6061 Billet Aluminum Engineered to Fill Void In Factory Subframe Bushing Mount 2X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Fits 2009+ models only

Brand:
034Motorsport - Corporate Logo
ES#:
2975981
Mfg#:
034-509-1021
In Stock
$53.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System

ES#3175519 - 252561M - Cat-Back Exhaust System - 2.5" T-304 Stainless Steel exhaust system with dual tip Magnaflow muffler - Techtonics Tuning - Audi

2.5" T-304 Stainless Steel exhaust system with dual tip Magnaflow muffler Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
For use with factory downpipe

Brand:
Techtonics Tuning - Corporate Logo
ES#:
3175519
Mfg#:
252561M
Ships in 9 Business Days
$687.99 USD

Upgraded Intercooler Kit

ES#3569343 - 200001006KT - Upgraded Intercooler Kit - Bigger intercoolers with carbon air ducts - Wagner Tuning - Audi

Bigger intercoolers with carbon air ducts Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Wagner Tuning - Corporate Logo
ES#:
3569343
Mfg#:
200001006KT
Ships in 1 Business Day
$1140.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

K04 Turbo Kit

ES#2568868 - T2100012 - K04 Turbo Kit - APR S3 K04 turbo kit with software - APR - Audi Volkswagen

APR S3 K04 turbo kit with software Call In Or Chat For Best Price! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

For vehicles with FSI engines only

Brand:
APR - Corporate Logo
ES#:
2568868
Mfg#:
T2100012
Ships in 5 Business Days
ON SALE! SAVE 10%
$3799.95

This product was last offered at the strikethrough price on
09-28-2026

$3419.96 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

APR 3.0 TFSI Ultracharger System

ES#3219160 - MS100128 - APR 3.0 TFSI Ultracharger System - Dramatically increases horsepower and torque, and maximizes the power potential of the 3.0 TFSI - APR - Audi

Dramatically increases horsepower and torque, and maximizes the power potential of the 3.0 TFSI Call In Or Chat For Best Price! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
APR’s Ultracharger ECU Upgrade is included for those who currently have an APR Stage 2 ECU Upgrade. APR

Brand:
APR - Corporate Logo
ES#:
3219160
Mfg#:
MS100128
Back Ordered
ON SALE! SAVE 10%
$949.99

This product was last offered at the strikethrough price on
09-28-2026

$854.96 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turbo Outlet Pipe

ES#2862973 - CTSIT210 - Turbo Outlet Pipe - 2.25" Aluminum Piping designed to fit Stock K03 Turbochargers - CTS - Audi Volkswagen

2.25" Aluminum Piping designed to fit Stock K03 Turbochargers Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
For vehicles with TSI engines only

Brand:
CTS - Corporate Logo
ES#:
2862973
Mfg#:
CTSIT210
In Stock
ON SALE! SAVE 15%
$199.99

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

$169.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Semi-Resonated (Road+) Cat-Back Exhaust System

ES#4623299 - B9RS5SBSEMI - Semi-Resonated (Road+) Cat-Back Exhaust System - An entire system from the cat back for a full sound overhaul! - Milltek Sport - Audi

An entire system from the cat back for a full sound overhaul! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
For Sportback Models Only

Brand:
Milltek Sport - Corporate Logo
ES#:
4623299
Mfg#:
B9RS5SBSEMI
Ships on Nov 18, 2026
ON SALE!
Starting at $3399.39 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Weistec Audi / Porsche VAG EA839 2.9T W.3 Turbo Upgrade

ES#4715591 - 01-839-02111-6 - Weistec Audi / Porsche VAG EA839 2.9T W.3 Turbo Upgrade - +130 HP, and +114lb-ft TQ. 100% Bolt-on installation / Upgrade. You are required to ship Weistec your OE turbochargers as a core / to be upgraded. - Weistec - Audi Porsche

+130 HP, and +114lb-ft TQ. 100% Bolt-on installation / Upgrade. You are required to ship Weistec your OE turbochargers as a core / to be upgraded. Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
You are required to ship Weistec your OE turbochargers as a core.

Brand:
Weistec - Corporate Logo
ES#:
4715591
Mfg#:
01-839-02111-6
Ships in 1 Business Day
$3399.00 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.

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