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Audi A3 Performance Engine Parts

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Universal Valved Muffler Kit - Single Inlet / Single Outlet - 3.0" (76mm) - 2 Mufflers

ES#5457436 - UVM.76MM.X2 - Universal Valved Muffler Kit - Single Inlet / Single Outlet - 3.0" (76mm) - 2 Mufflers - Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button - Valvetronic Designs - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button 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:
Valvetronic Designs - Corporate Logo
ES#:
5457436
Mfg#:
UVM.76MM.X2
Ships in 2 Business Days
$599.99 USD
Free Shipping

Universal Valved Muffler Kit - Single Inlet / Dual Outlet - 3.0" (76mm) - 2 Mufflers

ES#5457433 - UVM76MMDUALOUTx2 - Universal Valved Muffler Kit - Single Inlet / Dual Outlet - 3.0" (76mm) - 2 Mufflers - Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button - Valvetronic Designs - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button 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:
Valvetronic Designs - Corporate Logo
ES#:
5457433
Mfg#:
UVM76MMDUALOUTX2
Back Ordered
$599.99 USD
Free Shipping

BOSS 600 Hardware Kit

All the hardware needed to remove/reinstall your BOSS 600 Turbo. 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 engine only

Brand:
CTS - Corporate Logo
ES#:
4877031
Mfg#:
CTSEA113-BOSS-HW
Special Order: No Guaranteed ETA
$599.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage 1 Software Upgrade - With Program Switching (Fully Loaded)

ES#1899519 - 20TMK6STG1CHP-4 - Stage 1 Software Upgrade - With Program Switching (Fully Loaded) - Average gain of 71 horsepower and 101 lb-ft of torque on 93 octane! - APR - Audi Volkswagen

Average gain of 71 horsepower and 101 lb-ft of torque on 93 octane! 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
This upgrade must be performed at ECS Tuning's facility in Ohio.
For vehicles with TSI engines only. This upgrade can only be performed with the car present at our facility.

Brand:
APR - Corporate Logo
ES#:
1899519
Mfg#:
20TMK6STG1CHP-4
In Stock
ON SALE! SAVE 20%
$749.98

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

$599.98 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Precision Raceworks Performance Fuel Pump Kit

ES#4442366 - PRWMQBPFPFWD - Precision Raceworks Performance Fuel Pump Kit - Specially designed for up to 350% more fuel than the factory fuel pump and all options are 100% E85 compliant. - Precision Raceworks - Audi Volkswagen

Specially designed for up to 350% more fuel than the factory fuel pump and all options are 100% E85 compliant. 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:
Precision Raceworks - Corporate Logo
ES#:
4442366
Mfg#:
PRWMQBPFPFWD
Ships in 9 Business Days
Starting at $299.99 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

IS38 Software Upgrade - For New Customers

ES#2996319 - STGIS38 - IS38 Software Upgrade - For New Customers - See up to 386 horsepower on 93 octane fuel! - APR - Audi Volkswagen

See up to 386 horsepower on 93 octane fuel! 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
This upgrade must be performed at ECS Tuning's facility in Ohio.
For new APR customers with Golf R/S3 IS38 turbocharger only. Tuning may only be performed in-house at APR dealers.

Brand:
APR - Corporate Logo
ES#:
2996319
Mfg#:
STGIS38
In Stock
ON SALE! SAVE 20%
$749.99

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

$599.96 USD
Free Shipping

K04 Performance Software (Existing APR Customers) - 1 Program (Or Fully Loaded If Already Equipped)

ES#3509816 - PA100008 - K04 Performance Software (Existing APR Customers) - 1 Program (Or Fully Loaded If Already Equipped) - For customers that already have APR software on their car and are upgrading to a K04 - APR - Audi Volkswagen

For customers that already have APR software on their car and are upgrading to a K04 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
This upgrade can be performed via our Chip & Ship method or the vehicle can be brought to ECS Tuning's fa
For vehicles with FSI engines only. Ship your ECU for free, or drive your vehicle to our location

Brand:
APR - Corporate Logo
ES#:
3509816
Mfg#:
PA100008
In Stock
ON SALE! SAVE 20%
$249.99

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

$199.96 USD
This product is lifetime replacement eligible Lifetime Replacement

Stage 2

ES#3097350 - FSI-20T-2 - Stage 2 - Average gain of 52 horsepower and 76 lb-ft of torque on 93 Octane @ 18 PSI with Exhaust upgrade & High Pressure fuel pump upgrade - Tunezilla - Audi Volkswagen

Average gain of 52 horsepower and 76 lb-ft of torque on 93 Octane @ 18 PSI with Exhaust upgrade & High Pressure fuel pump upgrade 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 engine only

Brand:
Tunezilla - Corporate Logo
ES#:
3097350
Mfg#:
FSI-20T-2
Ships in 8 Business Days
$599.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage 1+

Average gain of 50 horsepower and 85 lb-ft of torque on 93 Octane @ 16 PSI 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:
Tunezilla - Corporate Logo
ES#:
3097361
Mfg#:
TSI-20T-1+
Ships in 8 Business Days
$599.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Immobilizer Delete - Without Tune Purchase

ES#4423424 - MK6IMMODELETE-SA - Immobilizer Delete - Without Tune Purchase - Delete your immobilizer without a performance tune - Tunezilla - Audi Volkswagen

Delete your immobilizer without a performance tune 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
Only to be purchased individually

Brand:
Tunezilla - Corporate Logo
ES#:
4423424
Mfg#:
MK6IMMODELETE-SA
Ships in 8 Business Days
$199.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turbo Muffler Delete Pipe

ES#2996368 - FMMD2 - Turbo Muffler Delete Pipe - Replace the factory turbo muffler with a straight, uninterrupted billet aluminum delete - Forge - Audi Volkswagen

Replace the factory turbo muffler with a straight, uninterrupted billet aluminum delete 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:
Forge - Corporate Logo
ES#:
2996368
Mfg#:
FMMD2
Ships on Nov 25, 2026
ON SALE! SAVE 10%
$220.99

This product was last offered at the strikethrough price on
10-26-2026

$198.63 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Revo MQB Air Intake System

ES#4500027 - RV581M201300 - Revo MQB Air Intake System - Along with an aggressive intake sound, more air means access to more power throughout the rev-range. - REVO - Audi Volkswagen

Along with an aggressive intake sound, more air means access to more power throughout the rev-range. 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:
REVO - Corporate Logo
ES#:
4500027
Mfg#:
RV581M201300
Back Ordered
$595.00 USD
Free Shipping
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 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 secondary air injection only

Brand:
Racingline - Corporate Logo
ES#:
4674225
Mfg#:
VWR12G7R603USA
Ships on Nov 17, 2026
ON SALE! SAVE 10%
$660.99

This product was last offered at the strikethrough price on
10-26-2026

$594.06 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 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 without secondary air injection only

Brand:
Racingline - Corporate Logo
ES#:
4674224
Mfg#:
VWR12G7R603
Ships on Nov 17, 2026
ON SALE! SAVE 10%
$660.99

This product was last offered at the strikethrough price on
10-26-2026

$594.06 USD
This product is lifetime replacement eligible Lifetime Replacement

Throttle, Charge & Intercooler Pipe Upgrade Kit MQB 1.8T/2.0T

ES#4500010 - RV581C100200 - Throttle, Charge & Intercooler Pipe Upgrade Kit MQB 1.8T/2.0T - Reducing charge system resistance and improving flow compared to the restrictive stock pipework. - REVO - Audi Volkswagen

Reducing charge system resistance and improving flow compared to the restrictive stock pipework. 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:
REVO - Corporate Logo
ES#:
4500010
Mfg#:
RV581C100200
Back Ordered
$588.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

P-Flo Air Intake Kit - Oiled Filter - Red Pipe

ES#2826115 - 65.10.97R - P-Flo Air Intake Kit - Oiled Filter - Red Pipe - Give your car Unrestricted air flow - Neuspeed - Audi Volkswagen

Give your car Unrestricted air flow 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
CARB certified for sale in all 50 states
FSI engines only

Brand:
Neuspeed - Corporate Logo
ES#:
2826115
Mfg#:
65.10.97R
EO#:
D-236-25
In Stock at Vendor
$309.00

This product was last offered at the strikethrough price on
09-22-2026

$293.99 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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