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Audi B8 RS5 4.2L

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Audi B8 RS5 4.2L Performance Engine Parts

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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 2 Business Days
$416.99 USD
Free Shipping
on orders $49 and up

Billet PCV Breather Vent Hose Kit - Raw

ES#4620257 - 079103210ER - Billet PCV Breather Vent Hose Kit - Raw - More reliable and and durable than the factory PCV. - JH Motorsports - Audi

More reliable and and durable than the factory PCV.

Brand:
JH Motorsports - Corporate Logo
ES#:
4620257
Mfg#:
079103210ER
Ships in 10 Business Days
$399.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Torque Solution Thermal Turbo Blanket (Black)

ES#5480818 - tqsTS-TB-FT3BK - Torque Solution Thermal Turbo Blanket (Black) - Fits T3, T3/T4, T25, T28, GT25, GT28, GT30, GT32, GT35, GT37 Turbo Back Housings - Torque Solution - Audi BMW Volkswagen MINI Porsche

Fits T3, T3/T4, T25, T28, GT25, GT28, GT30, GT32, GT35, GT37 Turbo Back Housings

Brand:
Torque Solution - Corporate Logo
ES#:
5480818
Mfg#:
TQSTS-TB-FT3BK
In Stock
$99.99 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

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

Water/Methanol Nozzle - 1.5GPH

ES#4476206 - SN0-N0150 - Water/Methanol Nozzle - 1.5GPH - 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#:
4476206
Mfg#:
SN0-N0150
In Stock at Vendor
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Snow Performance Stage 1 Boost Cooler/Water Injection Kit

Perfect choice for low to medium boost setups (1-15 PSI)

Brand:
SnowPerformance - Corporate Logo
ES#:
4906297
Mfg#:
SN0-201
In Stock
Limited Qty Sale
$375.00

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

$349.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Center Silencer Replacement Assembly

ES#3102359 - MSAU509REP - Center Silencer Replacement Assembly - Used in "non-resonated" catback exhaust system - Replaces center silencer - Milltek Sport - Audi

Used in "non-resonated" catback exhaust system - Replaces center silencer

Brand:
Milltek Sport - Corporate Logo
ES#:
3102359
Mfg#:
MSAU509REP
Ships in 3 Business Days
$325.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Water/Methanol Nozzle - 6GPH

ES#4361434 - SN0-N0600 - Water/Methanol Nozzle - 6GPH - 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#:
4361434
Mfg#:
SN0-N0600
In Stock at Vendor
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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 MINI

Custom made with 100% methanol resistant stainless steel spring and EPDM seals ensuring zero corrosion even with high concentrations of methanol.

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

Red High Temp Nylon Tubing - 20ft

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

Water Methanol Tubing

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

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 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

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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