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Audi A4 Performance Engine Parts

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IE Catback Exhaust System - B9 A4

ES#4904361 - IEEXCK8 - IE Catback Exhaust System - B9 A4 - Features high-flow 2.5" piping, 90mm twin exhaust tips, and iE's DroneTrap technology - Integrated Engineering - Audi

Features high-flow 2.5" piping, 90mm twin exhaust tips, and iE's DroneTrap technology

Brand:
Integrated Engineering - Corporate Logo
ES#:
4904361
Mfg#:
IEEXCK8
Ships in 1 Business Day
$1649.99 USD
Free Shipping

High Flow High Pressure Fuel Pump

ES#2837251 - 10127100ck - High Flow High Pressure Fuel Pump - Achieve flow rates 50% higher than the original pump! - Autotech - Audi Volkswagen

Achieve flow rates 50% higher than the original pump!

Brand:
Autotech - Corporate Logo
ES#:
2837251
Mfg#:
10127100CK
Back Ordered
$749.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CTS Turbo Direct Fit Front Mount Intercooler Kit

ES#3612271 - CTS-B9-DF - CTS Turbo Direct Fit Front Mount Intercooler Kit - This giant intercooler core is almost twice as large as stock - The B9 platforms benefits greatly from an intercooler upgrade! - CTS - Audi

This giant intercooler core is almost twice as large as stock - The B9 platforms benefits greatly from an intercooler upgrade!

Brand:
CTS - Corporate Logo
ES#:
3612271
Mfg#:
CTS-B9-DF
In Stock
ON SALE! SAVE 20%
$699.99

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

$559.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

High Pressure Fuel Pump upgraded unit

ES#2794058 - IEFUVC3 - High Pressure Fuel Pump upgraded unit - New fuel pump with IE internal upgrades already installed - Integrated Engineering - Audi Volkswagen

New fuel pump with IE internal upgrades already installed

Brand:
Integrated Engineering - Corporate Logo
ES#:
2794058
Mfg#:
IEFUVC3
Ships on Oct 23, 2026
$1049.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Forged rifle drilled H-Beam Connecting Rods

ES#2794740 - IERHVA1RD - Forged rifle drilled H-Beam Connecting Rods - 144x20mm forged H-beam rods from Integrated Engineering. - Integrated Engineering - Audi Volkswagen

144x20mm forged H-beam rods from Integrated Engineering. *To be used with aftermarket pistons with 20mm wrist pins*

Brand:
Integrated Engineering - Corporate Logo
ES#:
2794740
Mfg#:
IERHVA1RD
In Stock
$629.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Supertech Spring / Retainer Kit

ES#2918561 - SPRKA2416 - Supertech Spring / Retainer Kit - Aftermarket performance intake and exhaust valve springs and retainers for your high revving FSI. - Supertech - Audi Volkswagen

Aftermarket performance intake and exhaust valve springs and retainers for your high revving FSI.

Brand:
Supertech - Corporate Logo
ES#:
2918561
Mfg#:
SPRKA2416
Ships in 3 Business Days
20% off MSRP

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

$570.99

This product was last offered at the strikethrough price on
10-07-2026

$456.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

JHM 3" Cat-Pipe (High Flow Catalyst)

ES#4046023 - B9A45HFC - JHM 3" Cat-Pipe (High Flow Catalyst) - 3.0" T304 Stainless system produces gains of up to 25hp. - JH Motorsports - Audi

3.0" T304 Stainless system produces gains of up to 25hp. For vehicles up through 2020

Brand:
JH Motorsports - Corporate Logo
ES#:
4046023
Mfg#:
B9A45HFC
Ships in 5 Business Days
$399.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Oil Cooler - 19 Row - Black

ES#2764102 - MM0CULBK - Universal Oil Cooler - 19 Row - Black - 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#:
2764102
Mfg#:
MM0CULBK
In Stock
$536.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

3" High Flow Catalytic Converter

ES#2972520 - EXH-TDP-003-B7HF - 3" High Flow Catalytic Converter - Designed to seamlessly fit in place of factory catalytic converter - CTS - Audi

Designed to seamlessly fit in place of factory catalytic converter

Brand:
CTS - Corporate Logo
ES#:
2972520
Mfg#:
EXH-TDP-003-B7HF
In Stock
ON SALE! SAVE 10%
$299.99

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

$269.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

APR Throttle Booster

ES#4624165 - EM100050 - APR Throttle Booster - Wireless Controller with Blutooth Mobile connectivity - APR - Audi Volkswagen Porsche

Wireless Controller with Blutooth Mobile connectivity Call In Or Chat For Best Price!

Brand:
APR - Corporate Logo
ES#:
4624165
Mfg#:
EM100050
In Stock
ON SALE! SAVE 10%
$299.95

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

$269.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

High Flow Aluminum Charge Pipe Set

ES#4003757 - CTS-IT-291 - High Flow Aluminum Charge Pipe Set - 2.5" mandrel-bent aluminum turbo outlet and throttle pipe to replace your restrictive factory pieces - CTS - Audi

2.5" mandrel-bent aluminum turbo outlet and throttle pipe to replace your restrictive factory pieces Fits up to the 2019 Model Year

Brand:
CTS - Corporate Logo
ES#:
4003757
Mfg#:
CTS-IT-291
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

ECS Tuning Baffled Oil Catch Can - 8oz

ES#4369812 - 003779ECS05-02 - ECS Tuning Baffled Oil Catch Can - 8oz - Capture harmful oil vapors and keep your intake tract clean. Now featuring an easy to empty drain plug! - ECS - Audi BMW Volkswagen MINI

Capture harmful oil vapors and keep your intake tract clean. Now featuring an easy to empty drain plug! 10X Entries Into Our F80 M3 Sweepstakes
For use with custom plumbing and ECS universal mounting bracket kit

Brand:
ECS - Corporate Logo
ES#:
4369812
Mfg#:
003779ECS05-02
In Stock
ON SALE! SAVE 10%
$238.99

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

$215.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

3" Downpipe

ES#2951864 - CTS-EXH-TDP-0005 - 3" Downpipe - T304 Stainless down pipe that installs directly after the factory catalytic converter - CTS - Audi

T304 Stainless down pipe that installs directly after the factory catalytic converter

Brand:
CTS - Corporate Logo
ES#:
2951864
Mfg#:
CTS-EXH-TDP-0005
Ships in 7 Business Days
ON SALE! SAVE 15%
$399.99

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

$339.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Density Line Motor Mount Kit - Street Density

ES#2893870 - 034-509-0007KT - Density Line Motor Mount Kit - Street Density - Void-free and fluid-free, eliminating the slop associated with the factory mounts - 034Motorsport - Audi Volkswagen

Void-free and fluid-free, eliminating the slop associated with the factory mounts 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
2893870
Mfg#:
034-509-0007KT
In Stock
$256.00 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.

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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