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Audi C5 A6 Quattro 4.2

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Audi C5 A6 Quattro 4.2 Performance Engine Parts

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Stage 3 Boost Cooler (EFI - Port Injection) - Nylon Line

ES#4144931 - SN0-310 - Stage 3 Boost Cooler (EFI - Port Injection) - Nylon Line - Brings true 2D mapped water-methanol injection delivery to your EFI (Electronic Fuel Injected) and forced induction vehicle - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Brings true 2D mapped water-methanol injection delivery to your EFI (Electronic Fuel Injected) and forced induction vehicle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4144931
Mfg#:
SN0-310
In Stock at Vendor
$729.99 USD
Free Shipping
on orders $49 and up

BMS DDP5800 Water/Methanol Injection Pump

ES#4714532 - BMSDDP5800 - BMS DDP5800 Water/Methanol Injection Pump - 200 psi bypass for smooth and high pressure and 1.3 GPM open flow. Choose quick connect or threaded NPT style fittings. - Burger Motorsports - Audi BMW Volkswagen Mercedes Benz MINI Porsche

200 psi bypass for smooth and high pressure and 1.3 GPM open flow. Choose quick connect or threaded NPT style fittings. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Burger Motorsports - Corporate Logo
ES#:
4714532
Mfg#:
BMSDDP5800
Ships in 1 Business Day
Starting at $120.00 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Boost Cooler Stage 2.5 Progressive Water/Methanol Injection Kit - no tank

Unlock 50-70 HP on your boosted vehicle while decreasing your air temps by up to 100 degrees! Stainless Steel Braided Line, 4AN Fittings, no tank included! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4608739
Mfg#:
SN0-210-BRD-T
In Stock at Vendor
$687.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BMS Billet Water/Methanol Injection Tank Cap With Safety Check Valve

ES#4714530 - BMSWMITC - BMS Billet Water/Methanol Injection Tank Cap With Safety Check Valve - The Burger Motorsports custom billet Water/Methanol Injection (WMI) cap includes an integrated heavy-duty check valve to let much-needed air in and prevent dangerous WMI vapor/fumes and liquid from getting out! - Burger Motorsports - Audi BMW Volkswagen Mercedes Benz MINI Porsche

The Burger Motorsports custom billet Water/Methanol Injection (WMI) cap includes an integrated heavy-duty check valve to let much-needed air in and prevent dangerous WMI vapor/fumes and liquid from getting out! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Burger Motorsports - Corporate Logo
ES#:
4714530
Mfg#:
BMSWMITC
In Stock
$59.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

JB4 OBDII Cable Replacement - 4 Position (Cable Only)

ES#4940110 - JB4-OBDII-4P7FCA - JB4 OBDII Cable Replacement - 4 Position (Cable Only) - Version 1. - Burger Motorsports - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Version 1. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Burger Motorsports - Corporate Logo
ES#:
4940110
Mfg#:
JB4-OBDII-4P7FCA
In Stock
$25.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water/Methanol Injection Kit - Multi Input

ES#2972925 - 30-3350 - Water/Methanol Injection Kit - Multi Input - Increase power and efficiency while decreasing combustion temperatures - AEM Electronics - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Increase power and efficiency while decreasing combustion temperatures affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Naturally Aspirated Engines

Brand:
AEM Electronics - Corporate Logo
ES#:
2972925
Mfg#:
30-3350
In Stock at Vendor
$562.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mishimoto Liquid Chill Radiator Coolant Additive - 4oz

ES#2764643 - MMRALC - Mishimoto Liquid Chill Radiator Coolant Additive - 4oz - Pairs with all types of coolant to increase heat transfer and decrease engine temps. - Mishimoto - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Pairs with all types of coolant to increase heat transfer and decrease engine temps. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
2764643
Mfg#:
MMRALC
Ships in 3 Business Days
$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water/Methanol Nozzle - 14GPH

ES#4505337 - SN0-N1400 - Water/Methanol Nozzle - 14GPH - Snow Performance Hyper-Sonic water-methanol injection nozzle - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Snow Performance Hyper-Sonic water-methanol injection nozzle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4505337
Mfg#:
SN0-N1400
In Stock at Vendor
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BFI 4.2 V8 Complete Replacement Engine Mount Kit - Stage 2

ES#4730402 - EBFI77-KB6-202 - BFI 4.2 V8 Complete Replacement Engine Mount Kit - Stage 2 - Replace your old, tired, hydraulic engine mount with BFI's proprietary bushing and bracket/Cup design - Black Forest Industries - Audi

Replace your old, tired, hydraulic engine mount with BFI's proprietary bushing and bracket/Cup design affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Black Forest Industries - Corporate Logo
ES#:
4730402
Mfg#:
EBFI77-KB6-202
Ships on Jun 30, 2026
$524.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water/Methanol Nozzle - 10GPH

ES#4376610 - SN0-N1000 - Water/Methanol Nozzle - 10GPH - Snow Performance Hyper-Sonic water-methanol injection nozzle - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Snow Performance Hyper-Sonic water-methanol injection nozzle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4376610
Mfg#:
SN0-N1000
In Stock
$31.99 USD
Free Shipping
on orders $49 and up

BFI 4.2 V8 Complete Replacement Engine Mount Kit - Stage 1

ES#4730403 - EBFI77-KB6-201 - BFI 4.2 V8 Complete Replacement Engine Mount Kit - Stage 1 - Replace your old, tired, hydraulic engine mount with BFI's proprietary bushing and bracket/Cup design - Black Forest Industries - Audi

Replace your old, tired, hydraulic engine mount with BFI's proprietary bushing and bracket/Cup design affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Black Forest Industries - Corporate Logo
ES#:
4730403
Mfg#:
EBFI77-KB6-201
Ships on Jun 30, 2026
$504.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water/Methanol Dual Nozzle Upgrade Stainless Steel Braided Line

ES#4212781 - SN0-40040-BRD - Water/Methanol Dual Nozzle Upgrade Stainless Steel Braided Line - Install and additional water/methanol nozzle in any WMI system! - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Install and additional water/methanol nozzle in any WMI system! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4212781
Mfg#:
SN0-40040-BRD
In Stock at Vendor
$62.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Air Intake Filter

ES#588 - 332125 - Air Intake Filter - Drop-in performance filter - K&N - Audi Volkswagen

Drop-in performance filter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
K&N - Corporate Logo
ES#:
588
Mfg#:
332125
In Stock
$68.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water-Methanol Dual Nozzle Upgrade - Quick-Connect Fittings

ES#4147673 - SN0-40040 - Water-Methanol Dual Nozzle Upgrade - Quick-Connect Fittings - Install and additional water/methanol nozzle in any WMI system! - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Install and additional water/methanol nozzle in any WMI system! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4147673
Mfg#:
SN0-40040
In Stock
$41.99 USD
Free Shipping
on orders $49 and up
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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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

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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