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Audi A3 Performance Engine & Drivetrain Parts

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ES#3218895 - CTS-AF-270 - CTS Air Filter 3.5" Inlet Low Profile - Replacement Air Filter for CTS-IT-270/270R/290/300/180 - 3.5" Inlet x 8.0" Long x 6.0" Wide - CTS - Audi Volkswagen

Replacement Air Filter for CTS-IT-270/270R/290/300/180 - 3.5" Inlet x 8.0" Long x 6.0" Wide

Brand:
CTS - Corporate Logo
ES#:
3218895
Mfg#:
CTS-AF-270
Ships in 7 Business Days
ON SALE! SAVE 15%
$49.99

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

$42.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4368659 - 18TSI-IS20-2-UC - Unitronic Performance Software - Stage 2 IS20 - With UniCONNECT+ Cable - Gain up to 131 horsepower and 125 lb-ft of torque on 93 Octane - Unitronic - Audi Volkswagen

Gain up to 131 horsepower and 125 lb-ft of torque on 93 Octane This tune can be performed at home with the included UniCONNECT+ cable. Only available for purchase in th
Requires IS20 Turbo Upgrade in addition to other hardware upgrades. Please see description for details.

Brand:
Unitronic - Corporate Logo
ES#:
4368659
Mfg#:
18TSI-IS20-2-UC
In Stock
$1014.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2795304 - MF-TRS-05DSG6 - Limited Slip Differential - Get the traction you need and avoid excess wheel spin - Team MFactory - Audi Volkswagen

Get the traction you need and avoid excess wheel spin Fits DSG transmission models with 25 tooth parking brake ring

Brand:
Team MFactory - Corporate Logo
ES#:
2795304
Mfg#:
MF-TRS-05DSG6
Ships in 6 Business Days
$999.99 USD
Free Shipping
ES#2795264 - MF-TRS-05DSG5 - Limited Slip Differential - Get the traction you need and avoid excess wheel spin - Team MFactory - Audi Volkswagen

Get the traction you need and avoid excess wheel spin *Any defects or warranty clams will have to go directly to Team M Factory*
Fits DSG transmission models with 20 tooth parking brake ring

Brand:
Team MFactory - Corporate Logo
ES#:
2795264
Mfg#:
MF-TRS-05DSG5
Ships in 6 Business Days
$999.99 USD
Free Shipping
on orders $49 and up
ES#4642602 - UH009-FLA - Unitronic MPI Fuel Rail Upgrade Kit - With 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.

Brand:
Unitronic - Corporate Logo
ES#:
4642602
Mfg#:
UH009-FLA
Ships in 5 Business Days
$999.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2862866 - CTSBV0009 - Blow off 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

Brand:
CTS - Corporate Logo
ES#:
2862866
Mfg#:
CTSBV0009
Ships in 7 Business Days
ON SALE! SAVE 20%
$249.99

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

$199.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#6139 - 06F198001SLV - Lightweight Underdrive Crank Pulley Kit - Silver - Bolt on way to reclaim lost horsepower - ECS - Audi Volkswagen

Bolt on way to reclaim lost horsepower 10X Entries Into Our F80 M3 Sweepstakes

For vehicles with FSI engines only

Brand:
ECS - Corporate Logo
ES#:
6139
Mfg#:
06F198001SLV
In Stock
ON SALE!
$165.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3659994 - CTS-FPK-0051300c - EA888 Gen3 Port Injection Kit - Without Fuel Pump Kit - This is the complete port injection (MPI) fueling kit for MQB vehicles - Get the most out of your big-turbo MQB setup! (With 1300cc injectors) - CTS - Audi Volkswagen

This is the complete port injection (MPI) fueling kit for MQB vehicles - Get the most out of your big-turbo MQB setup! (With 1300cc injectors) *Does not include fuel pump kit, this can be had by purchasing CTS-FPK-004* - *MPI-specific software tuni

Brand:
CTS - Corporate Logo
ES#:
3659994
Mfg#:
CTS-FPK-0051300C
Special Order: No Guaranteed ETA
15% off MSRP

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

$1149.99

This product was last offered at the strikethrough price on
11-03-2026

$977.99 USD
Free Shipping
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!

Brand:
Forge - Corporate Logo
ES#:
3499516
Mfg#:
FMDVMK7RC
Ships in 10 Business Days
$323.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4691311 - 034-145-4010-SIL - 034Motorsport Intercooler System - Silver - Transform the cooling performance and efficiency of your 2.0T! - 034Motorsport - Audi Volkswagen

Transform the cooling performance and efficiency of your 2.0T! 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4691311
Mfg#:
034-145-4010-SIL
Ships in 2 Business Days
$964.00 USD
Free Shipping
ES#4362358 - UH018-ICA - Unitronic Charge Pipe Kit for 1.8/2.0 TSI MQB - Features high-flow design that eliminates restrictions in the boost (charge) piping leading from the turbocharger outlet to the engine, allowing for unrestricted airflow. - Unitronic - Audi Volkswagen

Features high-flow design that eliminates restrictions in the boost (charge) piping leading from the turbocharger outlet to the engine, allowing for unrestricted airflow.

Brand:
Unitronic - Corporate Logo
ES#:
4362358
Mfg#:
UH018-ICA
Ships on Feb 2, 2027
$479.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2771597 - 004264ECS06A - 2.0T FSI Exhaust Manifold Heat Shield - Reduce your engine bay temps while enhancing underhood appearance - ECS - Audi Volkswagen

Reduce your engine bay temps while enhancing underhood appearance 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2771597
Mfg#:
004264ECS06A
In Stock
ON SALE! SAVE 20%
$59.99

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

$47.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3187844 - 1K0145803P - European S3 Intercooler - All aluminum intercooler kit from the Audi S3 model - Improve your intercooler efficiency approx 30% - Hudson - Audi Volkswagen

All aluminum intercooler kit from the Audi S3 model - Improve your intercooler efficiency approx 30% This intercooler can be installed with trimming your stock boost hose ends

Brand:
Hudson - Corporate Logo
ES#:
3187844
Mfg#:
1K0145803P
In Stock
ON SALE! SAVE 13%
$1096.68

This product was last offered at the strikethrough price on
06-02-2026

$956.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#4159103 - 04e905602dkt3KT - Ignition Service Kit - Includes four genuine Hella coil packs and Bosch spark plugs - Assembled By ECS - Audi Volkswagen

Includes four genuine Hella coil packs and Bosch spark plugs 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4159103
Mfg#:
04E905602DKT3KT
In Stock
$236.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1905716 - 69-9504TTK - Typhoon Intake - Gloss Black - Free flowing mandrel bent intake system designed to let your engine breath in the extra power - K&N - Audi Volkswagen

Free flowing mandrel bent intake system designed to let your engine breath in the extra power CARB certified for sale in all 50 states
For vehicles with CCTA engine code only

Brand:
K&N - Corporate Logo
ES#:
1905716
Mfg#:
69-9504TTK
EO#:
D-269-43
Ships in 4 Business Days
$472.99 USD
Free Shipping
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.

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