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2017 MINI Cooper S 3 Door B46A20A

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2017 MINI Cooper S 3 Door B46A20A Performance Exhaust Parts

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Downpipe With High Flow Catalytic Converter - OEM Exhaust Fitment

ES#3187982 - SSXM429 - Downpipe With High Flow Catalytic Converter - OEM Exhaust Fitment - Featuring a Milltek Sport Hi-Flow Sport Cat with 2.75" Large Bore Pipe - Milltek Sport - MINI

Featuring a Milltek Sport Hi-Flow Sport Cat with 2.75" Large Bore Pipe

Brand:
Milltek Sport - Corporate Logo
ES#:
3187982
Mfg#:
SSXM429
Ships on Sep 29, 2026
ON SALE! SAVE 10%
$1577.99

This product was last offered at the strikethrough price on
08-29-2026

$1419.46 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Downpipe With High Flow Catalytic Converter

ES#2864900 - SSXM409 - Downpipe With High Flow Catalytic Converter - Featuring a Milltek Sport Hi-Flow Sport Cat with 2.75" Large Bore Pipe, ES2972718 will also be needed to fit US stock midpipe - Milltek Sport - MINI

Featuring a Milltek Sport Hi-Flow Sport Cat with 2.75" Large Bore Pipe, ES2972718 will also be needed to fit US stock midpipe

Brand:
Milltek Sport - Corporate Logo
ES#:
2864900
Mfg#:
SSXM409
Ships in 6 Business Days
ON SALE! SAVE 10%
$1576.99

This product was last offered at the strikethrough price on
08-29-2026

$1418.50 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

10mm Exhaust Hanger Locking Collar

ES#4865887 - 053563LA02 - 10mm Exhaust Hanger Locking Collar - Achieve perfect exhaust fitment! - ECS - Audi BMW Volkswagen Mercedes Benz MINI

Achieve perfect exhaust fitment! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4865887
Mfg#:
053563LA02
In Stock
ON SALE! SAVE 10%
$16.99

This product was last offered at the strikethrough price on
06-13-2026

$15.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

MACH Force-Xp Stainless Steel Cat-Back Exhaust - Carbon Fiber Tips

ES#4899681 - 49-36354-C - MACH Force-Xp Stainless Steel Cat-Back Exhaust - Carbon Fiber Tips - Non resonated and no rear muffler version, this makes for a louder exhaust then normal - AFE - MINI

Non resonated and no rear muffler version, this makes for a louder exhaust then normal

Brand:
AFE - Corporate Logo
ES#:
4899681
Mfg#:
49-36354-C
Ships in 3 Business Days
ON SALE! SAVE 10%
$750.00

This product was last offered at the strikethrough price on
09-01-2026

$675.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System - Non-Resonated Twin GT90

ES#2864901 - SSXM410 - Cat-Back Exhaust System - Non-Resonated Twin GT90 - 2.75" stainless steel with Twin Round Cerakote Black Tips - Milltek Sport - MINI

2.75" stainless steel with Twin Round Cerakote Black Tips

Brand:
Milltek Sport - Corporate Logo
ES#:
2864901
Mfg#:
SSXM410
Ships in 6 Business Days
ON SALE! SAVE 10%
$1490.99

This product was last offered at the strikethrough price on
08-29-2026

$1341.46 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Twisted Steel Street Series Down Pipe - High Flow Catalytic Converter

ES#3660434 - 48-36322-HC - Twisted Steel Street Series Down Pipe - High Flow Catalytic Converter - 304 Stainless Steal mid pipe for your factory or aftermarket application, up to +16 horsepower and +20 lbs. x ft. - AFE - BMW MINI

304 Stainless Steal mid pipe for your factory or aftermarket application, up to +16 horsepower and +20 lbs. x ft.

Brand:
AFE - Corporate Logo
ES#:
3660434
Mfg#:
48-36322-HC
Back Ordered
ON SALE!
$1329.00

This product was last offered at the strikethrough price on
09-01-2026

$1262.55 USD
Free Shipping

Cat-Back Exhaust System - Non-Resonated Dual GT90

ES#2866792 - SSXM411 - Cat-Back Exhaust System - Non-Resonated Dual GT90 - 2.75" stainless steel with Dual GT90 Polished Tips - Milltek Sport - MINI

2.75" stainless steel with Dual GT90 Polished Tips

Brand:
Milltek Sport - Corporate Logo
ES#:
2866792
Mfg#:
SSXM411
Ships in 6 Business Days
ON SALE! SAVE 10%
$1366.99

This product was last offered at the strikethrough price on
08-29-2026

$1229.75 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

2.36" Cat-Back Exhaust System

ES#3143001 - HS14MCSG3T - 2.36" Cat-Back Exhaust System - Featuring 101mm dual rolled titanium tips! - Invidia - MINI

Featuring 101mm dual rolled titanium tips!

Brand:
Invidia - Corporate Logo
ES#:
3143001
Mfg#:
HS14MCSG3T
Ships in 2 Business Days
$1229.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS UNIVERSAL Swivel Exhaust Tips - 3.5" Carbon Fiber - Pair

ES#4305404 - 004735LA02KT - ECS UNIVERSAL Swivel Exhaust Tips - 3.5" Carbon Fiber - Pair - Carbon Fiber exhaust tips featuring swivel attachment for maximum adjustability. 2.5" Swivel Inlet / 3.5" Double Wall, Slant Cut Outlet - ECS - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Carbon Fiber exhaust tips featuring swivel attachment for maximum adjustability. 2.5" Swivel Inlet / 3.5" Double Wall, Slant Cut Outlet 10X Entries Into Our F80 M3 Sweepstakes
Not vehicle specific. You MUST measure prior to purchasing!

Brand:
ECS - Corporate Logo
ES#:
4305404
Mfg#:
004735LA02KT
In Stock
ON SALE!
$305.99

This product was last offered at the strikethrough price on
06-13-2026

$296.80 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

2.36" Cat-Back Exhaust System

ES#3143000 - HS14MCSG3S - 2.36" Cat-Back Exhaust System - Featuring 101mm dual rolled stainless tips! - Invidia - MINI

Featuring 101mm dual rolled stainless tips!

Brand:
Invidia - Corporate Logo
ES#:
3143000
Mfg#:
HS14MCSG3S
Ships in 9 Business Days
$1114.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Direct Fit Catalytic Converter Replacement

ES#3998977 - 47-46306 - Direct Fit Catalytic Converter Replacement - Replaces the stock downpipe - AFE - BMW MINI

Replaces the stock downpipe

Brand:
AFE - Corporate Logo
ES#:
3998977
Mfg#:
47-46306
Back Ordered
ON SALE!
$1049.00

This product was last offered at the strikethrough price on
09-01-2026

$996.55 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Exhaust Parts

Performance exhaust systems increase flows to improve throttle response and add power. Designed to reduce back pressure, our large selection of performance exhaust parts and performance exhaust systems is made from premium materials like stainless steel. Many are TIG welded and polished to make them as attractive as they are functional.

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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