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2003 MINI Cooper S Coupe L4 1.6L

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2003 MINI Cooper S Coupe L4 1.6L Performance Engine Parts

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MINI Cooper S/ JCW Ignition & 17% S.C. Pulley Pack

ES#3677405 - minisckitKT1 - MINI Cooper S/ JCW Ignition & 17% S.C. Pulley Pack - Upgraded kit with Alta Performance Products and BavAuto Red Wires - Assembled By ECS - MINI

Upgraded kit with Alta Performance Products and BavAuto Red Wires affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3677405
Mfg#:
MINISCKITKT1
Ships in 9 Business Days
Auto Notify
$415.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Polyurethane Engine Support Bushing - Small

ES#2650820 - PFF5-104 - Performance Polyurethane Engine Support Bushing - Small - Stiffer bushings will allow smoother movement - Powerflex - MINI

Stiffer bushings will allow smoother movement affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Powerflex - Corporate Logo
ES#:
2650820
Mfg#:
PFF5-104
In Stock
$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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

ES#5457423 - UVM63MMDUALOUTX1 - Universal 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Valvetronic Designs - Corporate Logo
ES#:
5457423
Mfg#:
UVM63MMDUALOUTX1
Ships in 1 Business Day
$399.99 USD
Free Shipping

Typhoon System Short Ram

ES#2189116 - 69-2021TP - Typhoon System Short Ram - Polished Typhoon Short Ram Intake - K&N - MINI

Polished Typhoon Short Ram Intake affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
CARB certified for sale in all 50 states

Brand:
K&N - Corporate Logo
ES#:
2189116
Mfg#:
69-2021TP
EO#:
D-269-38
Ships in 4 Business Days
ON SALE! SAVE 12%
$419.99

This product was last offered at the strikethrough price on
05-15-2026

$369.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

High Flow Water-Methanol Solenoid Upgrade - 4AN Fittings

Robust protection for your WMI installation to ensure peace of mind affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4715669
Mfg#:
40060-BRD
In Stock at Vendor
$73.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Weapon-R Secret Weapon Cold Air Intake

ES#3551459 - 308-118-101 - Weapon-R Secret Weapon Cold Air Intake - Cold Air Intakes reduce inlet air temperatures creating a cooler and more dense air charge - Weapon-R - MINI

Cold Air Intakes reduce inlet air temperatures creating a cooler and more dense air charge affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Weapon-R
ES#:
3551459
Mfg#:
308-118-101
Back Ordered
$360.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Snow Performance Methanol Injection Ring

Choose either V-band or hose camp style rings to add methanol injection easily to almost any vehicle. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4043246
Mfg#:
SN0-40111.40112
Ships in 2 Business Days
Starting at $0.00 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Nozzle Mounting adapter for hose

ES#2826223 - 40110 - Nozzle Mounting adapter for hose - 1/8" NPT Threads, Can Only Be Used With Snow Performance Straight Style Nozzle Holders - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

1/8" NPT Threads, Can Only Be Used With Snow Performance Straight Style Nozzle Holders affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
2826223
Mfg#:
40110
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) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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

Performance Polyurethane Engine Support Bushing - Kit

ES#2778148 - PFF5-120 - Performance Polyurethane Engine Support Bushing - Kit - Stiffer bushings will allow smoother movement - Powerflex - MINI

Stiffer bushings will allow smoother movement affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Powerflex - Corporate Logo
ES#:
2778148
Mfg#:
PFF5-120
Ships in 1 Business Day
$57.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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
In Stock
$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turner Motorsport Double Wall Slash Cut Exhaust Tip - 2.75 Inlet - 3.5 OD - Stepped Right - Mirror

ES#4146845 - 026732TMS02-11 - Turner Motorsport Double Wall Slash Cut Exhaust Tip - 2.75 Inlet - 3.5 OD - Stepped Right - Mirror - Right - Mirror Slash Cut Exhaust Tip - 2.75 Inlet - 3.5 OD - Turner Motorsport - BMW MINI

Right - Mirror Slash Cut Exhaust Tip - 2.75 Inlet - 3.5 OD affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Not vehicle specific. You MUST measure prior to purchasing!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4146845
Mfg#:
026732TMS02-11
Ships on Dec 31, 2026
ON SALE! SAVE 10%
$121.99

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

$109.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Valve Guide Intake & Exhaust - Priced Each

ES#4461090 - 260387010 - Valve Guide Intake & Exhaust - Priced Each - Uprated valve guides used in the cylinder head - 11.07x6.00 mm - Canyon Engine - MINI

Uprated valve guides used in the cylinder head - 11.07x6.00 mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Canyon Engine - Corporate Logo
ES#:
4461090
Mfg#:
260387010
In Stock
$6.99 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 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#:
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

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

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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