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Audi B9 S4 Quattro 3.0T

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Audi B9 S4 Quattro 3.0T Performance Engine Parts

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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!

Brand:
APR - Corporate Logo
ES#:
4487795
Mfg#:
MS100218
Ships on Oct 6, 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
09-05-2026

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

Universal Vortex Breather Catch Can

ES#4020131 - 034-101-4000 - Universal Vortex Breather Catch Can - Sold in a black powdercoated finish. - 034Motorsport - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Sold in a black powdercoated finish. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4020131
Mfg#:
034-101-4000
Ships in 2 Business Days
$153.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Universal T-Style Valved Muffler Kit - Single Inlet / Dual Outlet - 2.5" (63mm) - 1 Muffler

ES#5457426 - UVM63MMTSTYLEX1 - Universal T-Style Valved Muffler Kit - Single Inlet / Dual Outlet - 2.5" (63mm) - 1 Muffler - 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

Brand:
Valvetronic Designs - Corporate Logo
ES#:
5457426
Mfg#:
UVM63MMTSTYLEX1
Ships in 1 Business Day
ON SALE! SAVE 10%
$499.99

This product was last offered at the strikethrough price on
08-25-2026

$449.99 USD
Free Shipping

Forge Oil Catch Tank

ES#3691238 - FMCT4 - Forge Oil Catch Tank - Captures harmful contaminants, including oil deposits, unused fuel vapors, and moisture, before they make their way back through to the inlet of the engine. - Forge - Audi

Captures harmful contaminants, including oil deposits, unused fuel vapors, and moisture, before they make their way back through to the inlet of the engine.

Brand:
Forge - Corporate Logo
ES#:
3691238
Mfg#:
FMCT4
Ships in 5 Business Days
ON SALE! SAVE 10%
$494.99

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

$444.73 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Racechip RS + App

Get up to +34 hp and +59 through a safe and easy to use tuning module from RaceChip

Brand:
Race Chip - Corporate Logo
ES#:
4780695
Mfg#:
923882
Ships in 5 Business Days
$438.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mishimoto Baffled Oil Catch - Kit

ES#4493209 - MMBCC-S4-18PBE - Mishimoto Baffled Oil Catch - Kit - Help reduce potential detonation, carbon buildup on intake valves and protect from oil blow-by. - Mishimoto - Audi

Help reduce potential detonation, carbon buildup on intake valves and protect from oil blow-by.

Brand:
Mishimoto - Corporate Logo
ES#:
4493209
Mfg#:
MMBCC-S4-18PBE
Ships in 3 Business Days
$445.99

This product was last offered at the strikethrough price on
08-13-2026

$429.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stage 3 Boost Cooler DI Water Methanol Controller

ES#4001266 - SN0-60300 - Stage 3 Boost Cooler DI Water Methanol Controller - 2D Progressive Water Methanol Engagement (Boost / High Flow Fuel Pump 0-5V) - SnowPerformance - Audi BMW Volkswagen MINI Porsche

2D Progressive Water Methanol Engagement (Boost / High Flow Fuel Pump 0-5V)

Brand:
SnowPerformance - Corporate Logo
ES#:
4001266
Mfg#:
SN0-60300
Ships in 1 Business Day
$416.99 USD
Free Shipping
on orders $49 and up

Purple Ice - 12oz

ES#2793046 - 01600 - Purple Ice - 12oz - High performance coolant conditioner - Royal Purple - Audi BMW Volkswagen Mercedes Benz MINI Porsche

High performance coolant conditioner

Brand:
Royal Purple - Corporate Logo
ES#:
2793046
Mfg#:
01600
Ships in 5 Business Days
$12.99 USD
Free Shipping
on orders $49 and up

Verkstarkt Performance BOV

ES#4505749 - FVBOV - Verkstarkt Performance BOV - Verstarkt Performance Systems - Audi

Brand:
Verstarkt Performance Systems - Corporate Logo
ES#:
4505749
Mfg#:
FVBOV
In Stock
$99.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Snow Performance Quick Connect Fitting

ES#4376613 - SN0-82082R - Snow Performance Quick Connect Fitting - 1/8NPT-1/4 - SnowPerformance - Audi BMW Volkswagen MINI

1/8NPT-1/4

Brand:
SnowPerformance - Corporate Logo
ES#:
4376613
Mfg#:
SN0-82082R
In Stock at Vendor
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

IE B9 S4 & S5 Adapter Silicone For IE Turbo Inlet With Stock Airbox

ES#4465495 - IEINCK4-9 - IE B9 S4 & S5 Adapter Silicone For IE Turbo Inlet With Stock Airbox - Adapts IE cast turbo inlet to stock airbox. - Integrated Engineering - Audi

Adapts IE cast turbo inlet to stock airbox.

Brand:
Integrated Engineering - Corporate Logo
ES#:
4465495
Mfg#:
IEINCK4-9
In Stock
ON SALE! SAVE 10%
$43.99

This product was last offered at the strikethrough price on
09-02-2026

$39.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Intake Scoop & Overlay Kit

ES#3476954 - 024641ecs01KT - Carbon Fiber Intake Scoop & Overlay Kit - Full solution to give your factory intake system a performance look! - ECS - Audi

Full solution to give your factory intake system a performance look! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3476954
Mfg#:
024641ECS01KT
Ships on Feb 1, 2027
ON SALE! SAVE 10%
$427.99

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

$385.19 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water/Methanol Nozzle - 3GPH

ES#4492417 - SN0-N0300 - Water/Methanol Nozzle - 3GPH - Snow Performance Hyper-Sonic water-methanol injection nozzle - SnowPerformance - Audi BMW Volkswagen MINI

Snow Performance Hyper-Sonic water-methanol injection nozzle

Brand:
SnowPerformance - Corporate Logo
ES#:
4492417
Mfg#:
SN0-N0300
Ships on Sep 23, 2026
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Oil Cooler - 10 Row

ES#2764105 - MM0C10 - Universal Oil Cooler - 10 Row - Serious engine oil cooling for the most demanding engines - Mishimoto - Audi BMW Volkswagen MINI

Serious engine oil cooling for the most demanding engines For custom applications only. Not a direct bolt on.

Brand:
Mishimoto - Corporate Logo
ES#:
2764105
Mfg#:
MM0C10
In Stock
$126.99 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.

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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