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Audi TT MKI Quattro 225HP

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Audi TT MKI Quattro 225HP Performance Engine Parts

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MK4 Performance Aluminum Radiator - With Installation Kit

ES#4005135 - 018163ECS02KT - MK4 Performance Aluminum Radiator - With Installation Kit - Direct-fit upgrade! Featuring a 26% increase in cooling system capacity along with a durable, all aluminum construction. Includes new radiator mounts, fan switch seal and coolant. - ECS - Audi Volkswagen

Direct-fit upgrade! Featuring a 26% increase in cooling system capacity along with a durable, all aluminum construction. Includes new radiator mounts, fan switch seal and coolant. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4005135
Mfg#:
018163ECS02KT
In Stock
ON SALE! SAVE 20%
$438.99

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

$351.19 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Cylinder Head Bolt Set

ES#263801 - 204-3901 - Cylinder Head Bolt Set - High strength head bolts with a triple square head - ARP - Audi Volkswagen

High strength head bolts with a triple square head

Brand:
ARP - Corporate Logo
ES#:
263801
Mfg#:
204-3901
In Stock
$207.99

This product was last offered at the strikethrough price on
05-28-2026

$165.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

380cc Fuel Injectors - Set Of Four

ES#2594193 - BOS380CC4 - 380cc Fuel Injectors - Set Of Four - Larger capacity fuel injector for performance uses. - Bosch - Audi Volkswagen

Larger capacity fuel injector for performance uses. We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2594193
Mfg#:
BOS380CC4
In Stock
$279.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Tuning Baffled Oil Catch Can - 6oz

ES#4369811 - 003779ECS05-01 - ECS Tuning Baffled Oil Catch Can - 6oz - 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#:
4369811
Mfg#:
003779ECS05-01
In Stock
ON SALE! SAVE 46%
$233.99

This product was last offered at the strikethrough price on
05-02-2026

$126.78 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Catch Can Kit - Carbon Fiber

ES#2500608 - MM0CCCF - Universal Catch Can Kit - Carbon Fiber - Kit with catch can and rubber hose; for retrofitting on a variety of vehicles. - Mishimoto - Audi BMW Volkswagen MINI

Kit with catch can and rubber hose; for retrofitting on a variety of vehicles.

Brand:
Mishimoto - Corporate Logo
ES#:
2500608
Mfg#:
MM0CCCF
In Stock
$162.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Boost Cooler Stage 3 DI ProLine Water/Methanol Injection

ES#4698806 - SP10317PRO - Boost Cooler Stage 3 DI ProLine Water/Methanol Injection - Proven to reduce the air inlet temperature by up to 100 degrees and increase octane by 25points for maximum HP and cooling! 3-liter reservoir, stainless steel braided line, 4AN fittings. - SnowPerformance - Audi BMW Volkswagen MINI

Proven to reduce the air inlet temperature by up to 100 degrees and increase octane by 25points for maximum HP and cooling! 3-liter reservoir, stainless steel braided line, 4AN fittings.

Brand:
SnowPerformance - Corporate Logo
ES#:
4698806
Mfg#:
SP10317PRO
In Stock at Vendor
$833.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Pressure Regulator - 4 Bar

ES#1073 - 0280160575sj - Fuel Pressure Regulator - 4 Bar - Commonly used in performance applications - Bosch - Audi Volkswagen

Commonly used in performance applications We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
1073
Mfg#:
0280160575SJ
In Stock
$51.99

This product was last offered at the strikethrough price on
07-29-2026

$45.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Wetter Coolant Additive - 12oz

ES#261427 - 80204 - Water Wetter Coolant Additive - 12oz - Reduces coolant temperatures by as much as 30*F - Redline - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Reduces coolant temperatures by as much as 30*F

Brand:
Redline - Corporate Logo
ES#:
261427
Mfg#:
80204
In Stock
$15.99 USD
Free Shipping
on orders $49 and up

3" Large Bore Downpipe

ES#2827548 - SSXAU431 - 3" Large Bore Downpipe - Featuring Milltek Sport Hi-Flow Sports Cat - Milltek Sport - Audi

Featuring Milltek Sport Hi-Flow Sports Cat

Brand:
Milltek Sport - Corporate Logo
ES#:
2827548
Mfg#:
SSXAU431
Ships in 7 Business Days
ON SALE! SAVE 10%
$1243.99

This product was last offered at the strikethrough price on
08-29-2026

$1119.01 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CTS Street Sport Engine Mount

ES#3410466 - CTSEMMK456-4-60D - CTS Street Sport Engine Mount - 60 Durometer rubber construction - CTS - Audi Volkswagen

60 Durometer rubber construction

Brand:
CTS - Corporate Logo
ES#:
3410466
Mfg#:
CTSEMMK456-4-60D
Ships in 7 Business Days
ON SALE! SAVE 20%
$119.99

This product was last offered at the strikethrough price on
08-26-2026

$95.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Supertech Inconel Exhaust Valve Kit

ES#3647521 - ST-AEVI-1103KT - Supertech Inconel Exhaust Valve Kit - Stock sized valve head diameter, factory triple groove keeper setup - Includes Supertech valves and IE valve seals - Assembled By ECS - Audi Volkswagen

Stock sized valve head diameter, factory triple groove keeper setup - Includes Supertech valves and IE valve seals 10X Entries Into Our F80 M3 Sweepstakes
*Existing factory triple-groove valve keepers are to be reused*

Brand:
Assembled By ECS - Corporate Logo
ES#:
3647521
Mfg#:
ST-AEVI-1103KT
In Stock
$382.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

144mm X 20mm High Performance Basic Connecting Rod 7/16" Bolt (1100HP) - Set Of Four MVLBIL57JG

ES#4781269 - MVLBIL57 - 144mm X 20mm High Performance Basic Connecting Rod 7/16" Bolt (1100HP) - Set Of Four MVLBIL57JG - Designed to withstand up to 1100hp! - SPA Performance - Audi Volkswagen

Designed to withstand up to 1100hp!

Brand:
SPA Performance - Corporate Logo
ES#:
4781269
Mfg#:
MVLBIL57
Ships in 1 Business Day
ON SALE!
$319.99

This product was last offered at the strikethrough price on
08-31-2026

$303.90 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Valvetrain Kit

ES#259702 - SPRK-AUDI18 - Performance Valvetrain Kit - Includes springs, retainers, and spring seats - Supertech - Audi Volkswagen

Includes springs, retainers, and spring seats

Brand:
Supertech - Corporate Logo
ES#:
259702
Mfg#:
SPRK-AUDI18
Back Ordered
Auto Notify
20% off MSRP

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

$784.99

This product was last offered at the strikethrough price on
09-05-2026

$628.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Wiseco Performance Piston Set

ES#2794029 - WIS18TK563M815 - Wiseco Performance Piston Set - Includes rings, wire locks, and wrist pins - 81.5mm bore, 9:1 CR, 86.4mm stroke (stock) - Wiseco - Audi Volkswagen

Includes rings, wire locks, and wrist pins - 81.5mm bore, 9:1 CR, 86.4mm stroke (stock) *For use with 20mm wrist pin connecting rods*

Brand:
Wiseco - Corporate Logo
ES#:
2794029
Mfg#:
WIS18TK563M815
In Stock at Vendor
$827.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Tuning Baffled Oil Catch Can Mounting Bracket Kit - Universal Fit

ES#2918376 - 003779ECS06KT - ECS Tuning Baffled Oil Catch Can Mounting Bracket Kit - Universal Fit - Universal 3-piece mounting bracket kit for installing a new ECS Oil Catch Can - ECS - Audi BMW Volkswagen MINI

Universal 3-piece mounting bracket kit for installing a new ECS Oil Catch Can 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2918376
Mfg#:
003779ECS06KT
In Stock
ON SALE! SAVE 25%
$95.99

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

$71.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Adjustable Fuel Pressure Regulator

ES#5271 - 001564ECS01 - Adjustable Fuel Pressure Regulator - Works as a replacement for most Bosch fuel pressure regulators. Adjustable from 25psi - 75psi - ECS - Audi Volkswagen

Works as a replacement for most Bosch fuel pressure regulators. Adjustable from 25psi - 75psi 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
5271
Mfg#:
001564ECS01
In Stock
ON SALE! SAVE 15%
$229.99

This product was last offered at the strikethrough price on
05-02-2026

$195.49 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.

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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