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Your Vehicle BMW F91 M8 Competition S63 4.4L

BMW F91 M8 Competition S63 4.4L Performance Exhaust Parts

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An entire system from the downpipes back for a full sound overhaul! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Vehicles With OPF (2020+)

Brand:
Milltek Sport - Corporate Logo
ES#:
4447573
Mfg#:
SSXBM1189
Ships in 3 Business Days
$4981.99 USD
This product is lifetime replacement eligible Lifetime Replacement

An entire system from the downpipes back for a full sound overhaul! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Vehicles With OPF (2020+)

Brand:
Milltek Sport - Corporate Logo
ES#:
4447571
Mfg#:
SSXBM1186
Ships in 3 Business Days
$4549.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Free up your restrictive OPF/GPF system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Vehicles With OPF (2020+)

Brand:
Milltek Sport - Corporate Logo
ES#:
4447566
Mfg#:
SSXBM1191
Ships in 3 Business Days
$1928.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Unleash the Sound Your M8 Deserves - Grade 5 Titanium system is 56.5 lbs lighter than factory exhaust affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Valvetronic Designs - Corporate Logo
ES#:
5456998
Mfg#:
F91M8VSESTIRC
Ships in 1 Business Day
$4799.00 USD
Free Shipping

Manually and automatically adjust the exhaust sound level affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
XForce - Corporate Logo
ES#:
4784759
Mfg#:
VKSB01-ECU-MODUL
Ships in 1 Business Day
$399.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Control your Varex valve with the press of a button affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
XForce - Corporate Logo
ES#:
4784773
Mfg#:
VK05-ACTUATOR
Ships in 1 Business Day
$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4686062 - UVM.63MM.x1 - Universal Valved Muffler Kit - Single Inlet / Single 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#:
4686062
Mfg#:
UVM.63MM.X1
Ships in 5 Business Days
$399.99 USD
Free Shipping
on orders $49 and up
ES#4708458 - VTTPSLVE3035FC - Universal Single Exhaust Tip - 3.5" - Forged Carbon Fiber - 3.0" Inlet - 3.5" Outlet - Forged Carbon Sleeve - Valvetronic Designs - Audi BMW Volkswagen Mercedes Benz MINI Porsche

3.0" Inlet - 3.5" Outlet - Forged Carbon Sleeve affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Valvetronic Designs - Corporate Logo
ES#:
4708458
Mfg#:
VTTPSLVE3035FC
Ships in 5 Business Days
$89.99

This product was last offered at the strikethrough price on
05-19-2026

$83.99 USD
Free Shipping

An entire system from the downpipes back for a full sound overhaul! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Vehicles With OPF (2020+)

Brand:
Milltek Sport - Corporate Logo
ES#:
4447572
Mfg#:
SSXBM1185
Ships on Jul 8, 2026
$4130.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#5457424 - UVM63MMDUALOUTX2 - Universal Valved Muffler Kit - Single Inlet / Dual 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#:
5457424
Mfg#:
UVM63MMDUALOUTX2
Back Ordered
$599.99 USD
Free Shipping

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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