2003 MINI Cooper S Coupe L4 1.6L Performance Exhaust Mufflers

Upgrade you stock exhaust to the JCW version : for pre 1/2004 MINI inside hangers will need bent to the rear, as the pre 1/2004 factory JCW rear section exhaust is NLA affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For John Cooper Works kit

Brand:

ES#:

39988

Mfg#:

18207545128

8% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$2251.99

This product was last offered at the strikethrough price on
03-05-2026

$2067.99 USD

Add to Cart

Free Shipping

Lifetime Replacement

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:

ES#:

5457438

Mfg#:

UVM.89MM.X2

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:

ES#:

5457423

Mfg#:

UVM63MMDUALOUTX1

Gasket, Nuts, and Clamp to install the exhaust system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For John Cooper Works kit

Brand:

ES#:

2602525

Mfg#:

R53JCWEXHAUSTKT

$73.99 USD

Add to Cart

Free Shipping

Lifetime Replacement

Gasket, Nuts, and Clamp to install the exhaust system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For John Cooper Works kit

Brand:

ES#:

2602542

Mfg#:

R53JCWEXHAUSTKT2

$58.99 USD

Add to Cart

Free Shipping

on orders $49 and up

Lifetime Replacement

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

Brand:

ES#:

3033526

Mfg#:

830634

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

Brand:

ES#:

3033520

Mfg#:

830604

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:

ES#:

5457434

Mfg#:

UVM76MMTSTYLEX1

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:

ES#:

5457432

Mfg#:

UVM76MMDUALOUTX1

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:

ES#:

5457431

Mfg#:

UVM.63MM.X2

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:

ES#:

5457426

Mfg#:

UVM63MMTSTYLEX1

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:

ES#:

5457437

Mfg#:

UVM.89MM.X1

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:

ES#:

5457433

Mfg#:

UVM76MMDUALOUTX2

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:

ES#:

5457424

Mfg#:

UVM63MMDUALOUTX2

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:

ES#:

4686062

Mfg#:

UVM.63MM.X1

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:

ES#:

5457436

Mfg#:

UVM.76MM.X2