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Audi B5 A4 Quattro 1.8T

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Audi B5 A4 Quattro 1.8T Performance Engine Parts

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High Flow Water Methanol Check Valve (Nylon Line)

ES#3469706 - sn0-8cv - High Flow Water Methanol Check Valve (Nylon Line) - Custom made with 100% methanol resistant stainless steel spring and EPDM seals ensuring zero corrosion even with high concentrations of methanol. - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Custom made with 100% methanol resistant stainless steel spring and EPDM seals ensuring zero corrosion even with high concentrations of methanol. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
3469706
Mfg#:
SN0-8CV
Ships in 6 Business Days
$31.99 USD
Free Shipping
on orders $49 and up

Forge Motorsport Valve Service Kit

ES#4781648 - FMDv004S - Forge Motorsport Valve Service Kit - Service kit for FMDv004 - Forge - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Service kit for FMDv004 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Forge - Corporate Logo
ES#:
4781648
Mfg#:
FMDV004S
Ships on Aug 14, 2026
Auto Notify
ON SALE! SAVE 12%
$23.99

This product was last offered at the strikethrough price on
07-01-2026

$21.18 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Supertech Stainless Intake Valve - 1.8T/2.7T - Set Of 12

ES#4689798 - sptAIVN-1103S-12 - Supertech Stainless Intake Valve - 1.8T/2.7T - Set Of 12 - Stock sized valve head diameter, single groove keeper setup for high RPM use - Supertech - Audi Volkswagen

Stock sized valve head diameter, single groove keeper setup for high RPM use affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supertech - Corporate Logo
ES#:
4689798
Mfg#:
SPTAIVN-1103S-12
In Stock at Vendor
20% off MSRP

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

$394.99

This product was last offered at the strikethrough price on
07-06-2026

$315.99 USD
Free Shipping
on orders $49 and up

Pro 5R Oiled Air Filter

ES#518083 - 30-10044 - Pro 5R Oiled Air Filter - Higher flow, higher performance - washable and reuseable! - AFE - Audi BMW Volkswagen

Higher flow, higher performance - washable and reuseable! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AFE - Corporate Logo
ES#:
518083
Mfg#:
30-10044
In Stock at Vendor
ON SALE! SAVE 15%
$91.00

This product was last offered at the strikethrough price on
06-29-2026

$77.35 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

High Flow Fuel Pump - 270 LPH

ES#2730417 - 0580254044 - High Flow Fuel Pump - 270 LPH - Great for when more fuel is needed in a custom fueling application - URO - Audi Volkswagen Porsche

Great for when more fuel is needed in a custom fueling application affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2730417
Mfg#:
0580254044
In Stock at Vendor
$155.99

This product was last offered at the strikethrough price on
05-07-2026

$150.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

AutoTech 195 Sport Intake Camshaft

ES#2826587 - 10109480 - AutoTech 195 Sport Intake Camshaft - Add up to 10 Horsepower! - Autotech - Audi Volkswagen

Add up to 10 Horsepower! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Autotech - Corporate Logo
ES#:
2826587
Mfg#:
10109480
Ships in 10 Business Days
$299.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Red High Temp Nylon Tubing - 20ft

ES#4339592 - SN0-8087 - Red High Temp Nylon Tubing - 20ft - Water Methanol Tubing - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Water Methanol Tubing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4339592
Mfg#:
SN0-8087
In Stock at Vendor
$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sprint Booster V3 Power Converter

ES#3184537 - SBAU0003S - Sprint Booster V3 Power Converter - Reduces the delay of your "Drive by Wire" throttle response - All new V3 model provides additional features such as 'valet' and 'pedal lock' modes - Sprint Booster - Audi

Reduces the delay of your "Drive by Wire" throttle response - All new V3 model provides additional features such as 'valet' and 'pedal lock' modes affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits both manual and automatic transmission models with ATW & AWM engine codes

Brand:
Sprint Booster - Corporate Logo
ES#:
3184537
Mfg#:
SBAU0003S
Ships in 10 Business Days
$289.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Stainless 2.5" Downpipe

High flow, stainless downpipe kit to be used with factory exhaust affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits quattro, automatic transmission models only - To be used with factory 55mm exhaust system

Brand:
Techtonics Tuning - Corporate Logo
ES#:
3175306
Mfg#:
251228R
Ships on Jul 28, 2026
$275.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Snow Performance Water Tank Upgrade - 7gal

Braided SS Line/Brackets/Solenoid/4AN Fittings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4680249
Mfg#:
SN0-40016-BRD
Ships in 1 Business Day
$260.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CTS Turbo B5 A4 High-flow Cat Pipe

ES#4043063 - CTSEXHTP001B5CA - CTS Turbo B5 A4 High-flow Cat Pipe - Seamlessly fits in place of your restrictive stock cat - Features 3 stainless steel piping, smooth mandrel bends, and two 02 sensor bungs - CTS - Audi

Seamlessly fits in place of your restrictive stock cat - Features 3″ stainless steel piping, smooth mandrel bends, and two 02 sensor bungs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTS - Corporate Logo
ES#:
4043063
Mfg#:
CTSEXHTP001B5CA
Special Order: No Guaranteed ETA
$249.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Injector Adapter Hat, Short To Tall - Set Of 4

ES#4858177 - 034-106-3022-4 - Injector Adapter Hat, Short To Tall - Set Of 4 - Price is for a set of 4 adapters. Includes injector o-ring seals. - 034Motorsport - Audi Volkswagen

Price is for a set of 4 adapters. Includes injector o-ring seals. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4858177
Mfg#:
034-106-3022-4
Ships in 2 Business Days
ON SALE! SAVE 10%
$69.00

This product was last offered at the strikethrough price on
06-28-2026

$62.10 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Density Line Mount Mount Kit - Track Density

ES#3183375 - 034-509-0007tdKT - Density Line Mount Mount Kit - Track Density - Void-free and fluid-free, eliminating the slop associated with the factory mounts - 034Motorsport - Audi

Void-free and fluid-free, eliminating the slop associated with the factory mounts affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
3183375
Mfg#:
034-509-0007TDKT
Ships in 2 Business Days
ON SALE! SAVE 10%
$264.00

This product was last offered at the strikethrough price on
06-28-2026

$237.60 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

APR Universal Oil Catch Can - AN Fittings

ES#4487795 - MS100218 - APR Universal Oil Catch Can - AN Fittings - Universal/Service part for APR's MS100199 full catch can system - APR - Audi Volkswagen Porsche

Universal/Service part for APR's MS100199 full catch can system 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#:
4487795
Mfg#:
MS100218
Ships on Jul 30, 2026
11% off MSRP

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

$264.99

This product was last offered at the strikethrough price on
07-06-2026

$234.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

24-270X Accusump Pro Electric Valve Kit

ES#4056090 - 24-270X - 24-270X Accusump Pro Electric Valve Kit - Allows convenient remote operation of Accusump in street, drag race and pre-oiling applications - Canton Racing - Audi BMW Volkswagen MINI

Allows convenient remote operation of Accusump in street, drag race and pre-oiling applications affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Canton Racing - Corporate Logo
ES#:
4056090
Mfg#:
24-270X
Ships on Jul 27, 2026
$228.00 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.

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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