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Audi A3 Performance Engine & Drivetrain Parts

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Connecting Rods144×20 Tapered Rifle Drilled EA113 With Stock Pistons

ES#4765889 - CTS-CRH-14420T - Connecting Rods14420 Tapered Rifle Drilled EA113 With Stock Pistons - Stock fitment while being able to handle higher boost applications - CTS - Audi Volkswagen

Stock fitment while being able to handle higher boost applications FITS FACTORY PISTONS WITH 20MM WRIST PINS ONLY

Brand:
CTS - Corporate Logo
ES#:
4765889
Mfg#:
CTS-CRH-14420T
Back Ordered
ON SALE! SAVE 10%
$399.99

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

$359.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Dogbone Mount Insert - Stage 1 (Pre 9/15 Cars)

ES#4159759 - EBFI78-Q7-011 - Dogbone Mount Insert - Stage 1 (Pre 9/15 Cars) - Feel a more crisp and defined throttle response and shift - Black Forest Industries - Audi Volkswagen

Feel a more crisp and defined throttle response and shift

Brand:
Black Forest Industries - Corporate Logo
ES#:
4159759
Mfg#:
EBFI78-Q7-011
In Stock
$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Air Filter - 4" Inlet

ES#4029499 - 034-108-B014 - Performance Air Filter - 4" Inlet - Direct replacement for the 034Motorsport MQB X34 Intake System, and TT-RS X34 Carbon Fiber Intake System. - 034Motorsport - Audi Volkswagen

Direct replacement for the 034Motorsport MQB X34 Intake System, and TT-RS X34 Carbon Fiber Intake System.

Brand:
034Motorsport - Corporate Logo
ES#:
4029499
Mfg#:
034-108-B014
In Stock
$113.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Unitronic DSG Performance Software - Stage 2

ES#4365423 - TSI-MQB-DSG-2 - Unitronic DSG Performance Software - Stage 2 - Optimized responsiveness and smoothness, increased rev limiter, launch control at 4000 RPM, kick-downs removed in manual mode, and more! - Unitronic - Audi Volkswagen

Optimized responsiveness and smoothness, increased rev limiter, launch control at 4000 RPM, kick-downs removed in manual mode, and more! This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next

Brand:
Unitronic - Corporate Logo
ES#:
4365423
Mfg#:
TSI-MQB-DSG-2
In Stock
$700.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Unitronic Performance Software - Stage 1+

ES#4368654 - 18TSI-IS12-1+ - Unitronic Performance Software - Stage 1+ - Gain up to 84 horsepower and 108 lb-ft of torque on 93 Octane - Unitronic - Audi Volkswagen

Gain up to 84 horsepower and 108 lb-ft of torque on 93 Octane This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next

Brand:
Unitronic - Corporate Logo
ES#:
4368654
Mfg#:
18TSI-IS12-1+
In Stock
$700.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Diverter Valve Kit - Black

ES#2738366 - FMDVMK7R - Diverter Valve Kit - Black - Cure your leaking valve problems for good! - Forge - Audi Volkswagen Porsche

Cure your leaking valve problems for good!

Brand:
Forge - Corporate Logo
ES#:
2738366
Mfg#:
FMDVMK7R
Ships in 5 Business Days
$349.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

K04 Performance Software (New APR Customers) - With Program Switching (Fully Loaded)

ES#3659524 - dpp20tk04psKT - K04 Performance Software (New APR Customers) - With Program Switching (Fully Loaded) - Required software to properly upgrade to a K04 turbocharger - APR - Audi Volkswagen

Required software to properly upgrade to a K04 turbocharger Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!
This upgrade must be performed at ECS Tuning's facility in Ohio.
This upgrade can only be performed with the car present at our facility.

Brand:
APR - Corporate Logo
ES#:
3659524
Mfg#:
DPP20TK04PSKT
In Stock
$699.90 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Eurodyne Reflash - With Powertap Air Flash Tool

ES#3147672 - ed-2.0-fsi-KT - Eurodyne Reflash - With Powertap Air Flash Tool - Tune your car with just your laptop and choose gains ranging from 58-88 hp and 88-138 ft-lb of torque - Eurodyne - Audi Volkswagen

Tune your car with just your laptop and choose gains ranging from 58-88 hp and 88-138 ft-lb of torque For vehicles with FSI engine only

Brand:
Eurodyne - Corporate Logo
ES#:
3147672
Mfg#:
ED-2.0-FSI-KT
In Stock
$699.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Eurodyne Reflash - With Powertap Air Flash Tool

ES#3107893 - ed-gti-a3-KT - Eurodyne Reflash - With Powertap Air Flash Tool - Tune your car with just your laptop and choose gains ranging from 45-99 hp and 50-118 ft-lb of torque - Eurodyne - Audi Volkswagen

Tune your car with just your laptop and choose gains ranging from 45-99 hp and 50-118 ft-lb of torque

Brand:
Eurodyne - Corporate Logo
ES#:
3107893
Mfg#:
ED-GTI-A3-KT
In Stock
$699.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

RaceChip GTS Black

ES#4339267 - 913095 - RaceChip GTS Black - Get up to +43 hp and +63 lb-ft through a safe and easy to use tuning module from RaceChip - Race Chip - Audi Volkswagen

Get up to +43 hp and +63 lb-ft through a safe and easy to use tuning module from RaceChip

Brand:
Race Chip - Corporate Logo
ES#:
4339267
Mfg#:
913095
Ships in 3 Business Days
$699.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Spherical Dogbone Mount

ES#4460518 - 034-509-1042 - Billet Spherical Dogbone Mount - Designed to eliminate the slop associated with the factory mount, and will better withstand the forces generated by hard launches. - 034Motorsport - Audi Volkswagen

Designed to eliminate the slop associated with the factory mount, and will better withstand the forces generated by hard launches. Fits models with 6spd DSG (DQ250)

Brand:
034Motorsport - Corporate Logo
ES#:
4460518
Mfg#:
034-509-1042
Back Ordered
$385.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

High-Flow Turbo Inlet Hose - Black

ES#4315313 - VWR12G7R602ITBLA - High-Flow Turbo Inlet Hose - Black - Improve throttle response and power - Racingline - Audi Volkswagen

Improve throttle response and power

Brand:
Racingline - Corporate Logo
ES#:
4315313
Mfg#:
VWR12G7R602ITBLA
Ships in 3 Business Days
$137.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbo Muffler Delete Pipe Adapter O-ring - Priced Each

ES#3147457 - 9263K129 - Turbo Muffler Delete Pipe Adapter O-ring - Priced Each - Replacement O-ring for ECS Turbo Muffler Delete Pipe - ECS - Audi Volkswagen

Replacement O-ring for ECS Turbo Muffler Delete Pipe 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3147457
Mfg#:
9263K129
In Stock
ON SALE! SAVE 25%
$23.99

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

$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

VWR R600 Intake Closed Airbox System - Cotton Filter

ES#4674225 - VWR12G7R603USA - VWR R600 Intake Closed Airbox System - Cotton Filter - Closed airbox system for added filtration and performance - Racingline - Audi Volkswagen

Closed airbox system for added filtration and performance For vehicles with secondary air injection only

Brand:
Racingline - Corporate Logo
ES#:
4674225
Mfg#:
VWR12G7R603USA
Ships in 2 Business Days
$660.99 USD
This product is lifetime replacement eligible Lifetime Replacement

VWR R600 Intake Closed Airbox System - Cotton Filter

ES#4674224 - VWR12G7R603 - VWR R600 Intake Closed Airbox System - Cotton Filter - Closed airbox system for added filtration and performance - Racingline - Audi Volkswagen

Closed airbox system for added filtration and performance For vehicles without secondary air injection only

Brand:
Racingline - Corporate Logo
ES#:
4674224
Mfg#:
VWR12G7R603
Ships in 3 Business Days
$660.99 USD
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Engine & Drivetrain Parts

Worn mounts, bushings, and other drivetrain components rob performance. Replace or upgrade your drivetrain with our extensive catalog of mounts, bushings, clutch kits, and more.

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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