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Audi A3 Performance Engine Parts

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ES#4877103 - 034-103-274A - 8P Audi A3 / 8U Q3 / TT MKII 2.0T TSI Gen 1 Dynamic+ Performance Software Package - Unleash up to 264HP/304TQ by transforming your VW/Audi EA888.1 with Dynamic+ Tuning - delivering ultimate power, drivability, reliability, and enhanced features! - 034Motorsport - Audi

Unleash up to 264HP/304TQ by transforming your VW/Audi EA888.1 with Dynamic+ Tuning - delivering ultimate power, drivability, reliability, and enhanced features! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with Gen 1 TSI engine only

Brand:
034Motorsport - Corporate Logo
ES#:
4877103
Mfg#:
034-103-274A
Ships in 1 Business Day
Starting at $180.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
ES#2771709 - 15352 - Performance Cat-Back Exhaust System  - 2.5" stainless steel with 3.5" polished dual exit single tips - Magnaflow - Audi

2.5" stainless steel with 3.5" polished dual exit single tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Magnaflow - Corporate Logo
ES#:
2771709
Mfg#:
15352
Back Ordered
$1309.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4872557 - UH018-FLA - Unitronic MPI Fuel Rail Upgrade Kit - Without Injectors - A complete solution to easily run MPI on your MQB big turbo build. - Unitronic - Audi Volkswagen

A complete solution to easily run MPI on your MQB big turbo build. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Unitronic - Corporate Logo
ES#:
4872557
Mfg#:
UH018-FLA
In Stock
$649.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3545518 - PFF85-530 - Transmission Mount Insert - Street - Fill the voids in the factory mount to reduce flex - Powerflex - Audi Volkswagen

Fill the voids in the factory mount to reduce flex affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Powerflex - Corporate Logo
ES#:
3545518
Mfg#:
PFF85-530
In Stock
$49.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3499516 - FMDVMK7RC - Diverter Valve Kit - Polished - Cure your leaking valve problems for good! - Forge - Audi Volkswagen Porsche

Cure your leaking valve problems for good! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Forge - Corporate Logo
ES#:
3499516
Mfg#:
FMDVMK7RC
Ships in 8 Business Days
$323.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3612471 - CTS-EXH-TP-0008 - CTS Resonator Delete Kit - Increase the sound of your exhaust without the drone - CTS - Audi Volkswagen

Increase the sound of your exhaust without the drone affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTS - Corporate Logo
ES#:
3612471
Mfg#:
CTS-EXH-TP-0008
Ships in 7 Business Days
ON SALE! SAVE 10%
$179.99

This product was last offered at the strikethrough price on
06-08-2026

$161.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2997012 - MS100114 - Silicone Intercooler Hoses - APR Silicone Boost Hoses are a comprehensive, direct replacement upgrade - APR - Audi Volkswagen

APR Silicone Boost Hoses are a comprehensive, direct replacement upgrade Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
2997012
Mfg#:
MS100114
In Stock
11% off MSRP

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

$241.99

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

$214.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4370468 - 20TSI-GEN3B-1D-U - Unitronic Performance Software - Stage 1 - With UniCONNECT+ Cable & DSG Software - Gain up to 43 horsepower and 69 lb-ft of torque on 91 Octane - Unitronic - Audi

Gain up to 43 horsepower and 69 lb-ft of torque on 91 Octane affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This tune can be performed at home with the included UniCONNECT+ cable. Only available for purchase in th

Brand:
Unitronic - Corporate Logo
ES#:
4370468
Mfg#:
20TSI-GEN3B-1D-U
In Stock
$1264.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4005319 - 034-108-3025 - 034Motorsport Turbo Inlet Hose - Replace your unattractive and restrictive OEM corrugated plastic turbo inlet hose the the 034Motorsport Turbo Inlet Hose! - 034Motorsport - Audi Volkswagen

Replace your unattractive and restrictive OEM corrugated plastic turbo inlet hose the the 034Motorsport Turbo Inlet Hose! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4005319
Mfg#:
034-108-3025
In Stock
$97.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4660181 - AUT-MK5-002 - Silicone Coolant Hose Kit - Select Your Color - Replace your stock rubber hoses with silicone - Autobahn Autoworx - Audi Volkswagen

Replace your stock rubber hoses with silicone affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Install photos also show the Silicone PCV Hose Set (ES4362450) which is not included but available separately.
For vehicles with FSI engines only

Brand:
Autobahn Autoworx - Corporate Logo
ES#:
4660181
Mfg#:
AUT-MK5-002
Ships in 1 Business Day
Starting at $200.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2189784 - PMPWINLINE - High Flow Fuel Pump - 255 LPH - Great for when more fuel is needed in a custom fueling application - Walbro - Audi BMW Volkswagen

Great for when more fuel is needed in a custom fueling application affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Walbro - Corporate Logo
ES#:
2189784
Mfg#:
PMPWINLINE
In Stock at Vendor
$139.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4159817 - EBFI78-Q5-022 - Dogbone Mount Insert - Stage 2 - 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits from the 2009 model year

Brand:
Black Forest Industries - Corporate Logo
ES#:
4159817
Mfg#:
EBFI78-Q5-022
Ships in 3 Business Days
$59.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4734089 - CR-VW144-21 - Supertech Forged Connecting Rod - Priced Each - 144x21 Forged Rod with ARP 2000 hardware. - Supertech - Audi Volkswagen

144x21 Forged Rod with ARP 2000 hardware. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supertech - Corporate Logo
ES#:
4734089
Mfg#:
CR-VW144-21
Ships in 8 Business Days
$208.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2862877 - CTSDV0002 - Diverter Valve Kit - Direct bolt on without worry of a check-engine light - CTS - Audi Volkswagen

Direct bolt on without worry of a check-engine light affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTS - Corporate Logo
ES#:
2862877
Mfg#:
CTSDV0002
Ships in 7 Business Days
$249.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3698456 - 003779ECS11 - ECS Tuning Universal Catch Can Drain System - Make draining your ECS or Turner Catch Can simple with this comprehensive kit - ECS - Audi Volkswagen MINI

Make draining your ECS or Turner Catch Can simple with this comprehensive kit affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3698456
Mfg#:
003779ECS11
In Stock
ON SALE! SAVE 25%
$71.99

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

$53.99 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.

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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