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2004 MINI Cooper John Cooper Works MC40 Coupe L4 1.6L

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2004 MINI Cooper John Cooper Works MC40 Coupe L4 1.6L Performance Engine Parts

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4" Universal Exhaust Tip w/ Chrome Finish - Priced Each

ES#4265689 - 025823TMS05-01 - 4" Universal Exhaust Tip w/ Chrome Finish - Priced Each - Stainless Steel exhaust tip featuring a 80MM Inlet & a 4.0" Double Wall, Slant Cut Outlet, Single Clamp On Tip - Turner Motorsport - BMW MINI

Stainless Steel exhaust tip featuring a 80MM Inlet & a 4.0" Double Wall, Slant Cut Outlet, Single Clamp On Tip 10X Entries For Our 25th Anniversary Sweepstakes!
Please note this is a universal tip. You MUST measure your exhaust before ordering to verify fitment for your application.

Brand:
Turner Motorsport - Corporate Logo
ES#:
4265689
Mfg#:
025823TMS05-01
In Stock
ON SALE! SAVE 41%
$85.99

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

$50.83 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Valve Guide Intake & Exhaust - Priced Each

ES#3173557 - GDE-MIN-R53 - Valve Guide Intake & Exhaust - Priced Each - Uprated valve guides used in the cylinder head : Manganese Bronze Metal - Supertech - MINI

Uprated valve guides used in the cylinder head : Manganese Bronze Metal

Brand:
Supertech - Corporate Logo
ES#:
3173557
Mfg#:
GDE-MIN-R53
Ships in 8 Business Days
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Snow Performance 7 Gallon Reservoir

ES#2826214 - 40016 - Snow Performance 7 Gallon Reservoir - incl. brackets/check valve/tubing - SnowPerformance - Audi BMW Volkswagen MINI

incl. brackets/check valve/tubing

Brand:
SnowPerformance - Corporate Logo
ES#:
2826214
Mfg#:
40016
In Stock at Vendor
$156.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

77.50mm Piston Ring Kit CPN-3051

ES#3639952 - CPN-3051 - 77.50mm Piston Ring Kit CPN-3051 - Set of rings for one piston in 77.50mm size - CP Carrillo - MINI

Set of rings for one piston in 77.50mm size

Brand:
CP Carrillo - Corporate Logo
ES#:
3639952
Mfg#:
CPN-3051
In Stock at Vendor
$38.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Valve Guide Intake & Exhaust - Set Of 16

ES#3173559 - gdeminr53KT - Valve Guide Intake & Exhaust - Set Of 16 - Uprated valve guides used in the cylinder head : Manganese Bronze Metal - Supertech - MINI

Uprated valve guides used in the cylinder head : Manganese Bronze Metal

Brand:
Supertech - Corporate Logo
ES#:
3173559
Mfg#:
GDEMINR53KT
Ships in 8 Business Days
$153.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Pressure Cap - 30 Lbs

ES#3162627 - 81-030 - Expansion Tank Pressure Cap - 30 Lbs - Part of the MINI Canton Racing Aluminum expansion tank - Canton Racing - MINI

Part of the MINI Canton Racing Aluminum expansion tank

Brand:
Canton Racing - Corporate Logo
ES#:
3162627
Mfg#:
81-030
In Stock
$38.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

FSB WMI Controller - V3 For Charge Pipe Injection (CPI)

ES#3514866 - FSB-CPI - FSB WMI Controller - V3 For Charge Pipe Injection (CPI) - Allows your JB4 to control a WMI pump and solenoid for dynamic progressive flow mapping! - Burger Motorsports - Audi BMW Volkswagen MINI

Allows your JB4 to control a WMI pump and solenoid for dynamic progressive flow mapping! For use in setups where charge pipe injection is being utilized.

Brand:
Burger Motorsports - Corporate Logo
ES#:
3514866
Mfg#:
FSB-CPI
Ships on Aug 5, 2026
$150.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Supercharger Belts 6pk 70mm Harrop Kit

Only to be used with the select pulley and Harrop Supercharger kit

Brand:
HARROP - Corporate Logo
ES#:
4336214
Mfg#:
65-6PK1400
Ships in 7 Business Days
$50.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Silicone Intercooler Boots - Green

ES#3552699 - 53-3M7409 - Silicone Intercooler Boots - Green - Replace your dull, black, dry-rotted intercooler boots with a new set of M7 100% silicone replacements - M7 Speed - MINI

Replace your dull, black, dry-rotted intercooler boots with a new set of M7 100% silicone replacements

Brand:
M7 Speed - Corporate Logo
ES#:
3552699
Mfg#:
53-3M7409
In Stock
$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Scorpion Y Section – R52, R53 MINI Cooper S, JCW

ES#3970124 - 585bm - Scorpion Y Section R52, R53 MINI Cooper S, JCW - Built to last with 304 stainless steel and engineered for dyno-proven power gains. Scorpion proves performance exhaust doesn't need to be intolerably loud to sound great. - Scorpion - MINI

Built to last with 304 stainless steel and engineered for dyno-proven power gains. Scorpion proves performance exhaust doesn't need to be intolerably loud to sound great.

Brand:
Scorpion - Corporate Logo
ES#:
3970124
Mfg#:
585BM
Special Order: No Guaranteed ETA
$145.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Threaded Bolt - Priced Each

ES#39444 - 18107520438 - Threaded Bolt - Priced Each - For the exhaust system mid - pipe - Genuine MINI - MINI

For the exhaust system mid - pipe

Brand:
Genuine MINI - Corporate Logo
ES#:
39444
Mfg#:
18107520438
In Stock
$7.99 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

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

This product was last offered at the strikethrough price on
07-15-2026

$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Foam Air Filter - JCW

ES#2623170 - PX1875 - Performance Foam Air Filter - JCW - More air flow means more power! Direct replacement with long service life. - Pipercross - MINI

More air flow means more power! Direct replacement with long service life. For John Cooper Works kit

Brand:
Pipercross - Corporate Logo
ES#:
2623170
Mfg#:
PX1875
Ships on Aug 11, 2026
$64.99 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.

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Manufacturer names and/or part numbers are used only for identification purposes.

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