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Your Vehicle 2021 MINI Cooper S 3 Door B46C

2021 MINI Cooper S 3 Door B46C Performance Engine Parts

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ES#3477808 - SSXM425 - Cat-Back Exhaust System - Resonated Dual GT90 - 2.75" stainless steel with Dual GT90 Titanium Tips - Milltek Sport - MINI

2.75" stainless steel with Dual GT90 Titanium Tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Milltek Sport - Corporate Logo
ES#:
3477808
Mfg#:
SSXM425
Ships in 3 Business Days
$2076.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#5434623 - B48s4srod - Forged Connecting Rods - SET Of Four  - High-strength forged connecting rods engineered for serious B48 performance builds - Sneed4Speed - MINI

High-strength forged connecting rods engineered for serious B48 performance builds affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Sneed4Speed - Corporate Logo
ES#:
5434623
Mfg#:
B48S4SROD
Ships in 1 Business Day
$599.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3146992 - 831821KT - Turbo-Back Race Exhaust System - Non Resonated  - Performance exhaust with stainless steal construction : 100mm Dual Slash Cut Chrome Tips - Supersprint - MINI

Performance exhaust with stainless steal construction : 100mm Dual Slash Cut Chrome Tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supersprint - Corporate Logo
ES#:
3146992
Mfg#:
831821KT
Ships on Sep 4, 2026
$5248.99 USD
ES#3146995 - 831821KT3 - Turbo-Back Race Exhaust System - Non Resonated / Rear Muffler Delete  - Performance exhaust with stainless steal construction : 100mm Dual Slash Cut Black Tips - Supersprint - MINI

Performance exhaust with stainless steal construction : 100mm Dual Slash Cut Black Tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supersprint - Corporate Logo
ES#:
3146995
Mfg#:
831821KT3
Ships on Sep 4, 2026
$5198.99 USD
Free Shipping
on orders $49 and up
ES#3056976 - 831132 - Supersprint Front pipe Metallic Sport Cat - A more free flowing option - Supersprint - MINI

A more free flowing option affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supersprint - Corporate Logo
ES#:
3056976
Mfg#:
831132
Ships on Sep 4, 2026
$1942.99 USD
Free Shipping
ES#3146993 - 831821KT1 - Turbo-Back Race Exhaust System - Non Resonated  - Performance exhaust with stainless steal construction : 100mm Dual Slash Cut Black Tips - Supersprint - MINI

Performance exhaust with stainless steal construction : 100mm Dual Slash Cut Black Tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supersprint - Corporate Logo
ES#:
3146993
Mfg#:
831821KT1
Ships on Sep 4, 2026
$5366.99 USD
ES#3146994 - 831821KT2 - Turbo-Back Race Exhaust System - Non Resonated / Rear Muffler Delete  - Performance exhaust with stainless steal construction : 100mm Dual Slash Cut Chrome Tips - Supersprint - MINI

Performance exhaust with stainless steal construction : 100mm Dual Slash Cut Chrome Tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supersprint - Corporate Logo
ES#:
3146994
Mfg#:
831821KT2
Ships on Sep 4, 2026
$5080.99 USD
Free Shipping
on orders $49 and up
ES#3147475 - 831821KT5 - Turbo-Back Race Exhaust System - Resonated - Performance exhaust with stainless steal construction : 100mm Dual Slash Cut Black Tips - Supersprint - MINI

Performance exhaust with stainless steal construction : 100mm Dual Slash Cut Black Tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supersprint - Corporate Logo
ES#:
3147475
Mfg#:
831821KT5
Ships on Sep 4, 2026
$5622.00 USD
ES#3147486 - 831821KT6 - Turbo-Back Race Exhaust System - Resonated / Rear Muffler Delete - Performance exhaust with stainless steal construction : 100mm Dual Slash Cut Chrome Tips - Supersprint - MINI

Performance exhaust with stainless steal construction : 100mm Dual Slash Cut Chrome Tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supersprint - Corporate Logo
ES#:
3147486
Mfg#:
831821KT6
Ships on Sep 4, 2026
$5336.99 USD
Free Shipping
on orders $49 and up
ES#3147674 - 831821KT7 - Turbo-Back Race Exhaust System - Resonated / Rear Muffler Delete - Performance exhaust with stainless steal construction : 100mm Dual Slash Cut Black Tips - Supersprint - MINI

Performance exhaust with stainless steal construction : 100mm Dual Slash Cut Black Tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supersprint - Corporate Logo
ES#:
3147674
Mfg#:
831821KT7
Ships on Sep 4, 2026
$5454.00 USD
Free Shipping
on orders $49 and up
ES#5457434 - UVM76MMTSTYLEX1 - Universal T-Style Valved Muffler Kit - Single Inlet / Dual Outlet - 3.0" (76mm) - 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#:
5457434
Mfg#:
UVM76MMTSTYLEX1
Ships in 1 Business Day
$499.99 USD
Free Shipping
ES#5457432 - UVM76MMDUALOUTx1 - Universal Valved Muffler Kit - Single Inlet / Dual Outlet - 3.0" (76mm) - 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#:
5457432
Mfg#:
UVM76MMDUALOUTX1
Ships in 1 Business Day
$399.99 USD
Free Shipping
ES#5457431 - UVM.63MM.X2 - Universal Valved Muffler Kit - Single Inlet / Single Outlet - 2.5" (63mm) - 2 Mufflers - 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#:
5457431
Mfg#:
UVM.63MM.X2
Ships in 1 Business Day
$599.99 USD
Free Shipping

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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