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2017 Porsche 911 991 GT3 RS Coupe H6 4.0L

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2017 Porsche 911 991 GT3 RS Coupe H6 4.0L Performance Engine Parts

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Fuel-It! Flex Fuel Kit - Porsche 991

Know your exact ethanol content in real-time via the Fuel-It! or JB4 mobile app on your smartphone or tablet. For non Fuel-It! brand port injection configs.

Brand:
Fuel-It! - Corporate Logo
ES#:
4940638
Mfg#:
FFK-POR991
Ships on Aug 31, 2026
$479.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Porsche 991.2 Performance Diverter Valves

ES#4876173 - FS.POR.9912.DIV - Porsche 991.2 Performance Diverter Valves - For any 991.2 Carrera running a tune, these are a must-have! - Fabspeed - Porsche

For any 991.2 Carrera running a tune, these are a must-have!

Brand:
Fabspeed - Corporate Logo
ES#:
4876173
Mfg#:
FS.POR.9912.DIV
Ships on Sep 4, 2026
$449.99 USD
Free Shipping
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 2 Business Days
$416.99 USD
Free Shipping
on orders $49 and up

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.

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

05-18 997 991 Carrera / Turbo / GT2 / GT3 Sprint Booster V3 Power Converter

ES#3988140 - SBPO0013S - 05-18 997 991 Carrera / Turbo / GT2 / GT3 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 - Porsche

Reduces the delay of your "Drive by Wire" throttle response - All new V3 model provides additional features such as 'valet' and 'pedal lock' modes

Brand:
Sprint Booster - Corporate Logo
ES#:
3988140
Mfg#:
SBPO0013S
Ships in 10 Business Days
$289.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fiberglass Exhaust Wrap - Black - 2" x 50'

ES#3022267 - HEA-WRAPKIT-BLK - Fiberglass Exhaust Wrap - Black - 2" x 50' - Designed to handle continuous temperatures up to 1,200F - Prosport Performance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Designed to handle continuous temperatures up to 1,200°F

Brand:
Prosport Performance - Corporate Logo
ES#:
3022267
Mfg#:
HEA-WRAPKIT-BLK
Ships in 10 Business Days
$28.00 USD
Free Shipping
on orders $49 and up
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! 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
4487795
Mfg#:
MS100218
In Stock
ON SALE! SAVE 10%
$234.99

This product was last offered at the strikethrough price on
07-31-2026

$211.45 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Snow Performance Tee Adapter Fitting

ES#4376612 - SN0-82040R - Snow Performance Tee Adapter Fitting - 1/4" tee fitting for water/methanol lines - SnowPerformance - Audi BMW Volkswagen MINI Porsche

1/4" tee fitting for water/methanol lines

Brand:
SnowPerformance - Corporate Logo
ES#:
4376612
Mfg#:
SN0-82040R
In Stock at Vendor
$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hobb's Switch

ES#3520735 - ACC-HOBBS - Hobb's Switch - 15 PSI - Fuel-It! - Audi BMW Volkswagen MINI Porsche

15 PSI

Brand:
Fuel-It! - Corporate Logo
ES#:
3520735
Mfg#:
ACC-HOBBS
Ships on Aug 31, 2026
$55.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Port Injection Plugs

ES#4690214 - PRINJPLGS - Port Injection Plugs - Use these in replacement of any standard short body EV14 style injector. - Precision Raceworks - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Use these in replacement of any standard short body EV14 style injector.

Brand:
Precision Raceworks - Corporate Logo
ES#:
4690214
Mfg#:
PRINJPLGS
Ships in 9 Business Days
Starting at $9.99 USD
Customize
Free Shipping
on orders $49 and up

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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