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Performance parts exclusively for any BMW with the ///M badge.  Custom Performance is recognized as a leader in performance parts for the BMW M3 so if you drive a BMW and it has the renowned ///M badge, then this is the place to find performance parts — from leading manufacturers to custom made.  If you have a question — no sweat, just call or text. We know the parts, not just the part numbers.

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Product of the Month!

Price $1,095.00
IN STOCK. FREE SHIPPING.
Designed to maximize midrange torque while maintaining strong peak horse power. Dyno results: +12 to +15 HP at 7,500 RPM and +12 to +15 lbft of torque @ 4,300 RPM (at rear wheels).

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Price $1,095.00
IN STOCK. FREE SHIPPING.
Designed to maximize midrange torque while maintaining strong peak horse power. Dyno results: +12 to +15 HP at 7,500 RPM and +12 to +15 lbft of torque @ 4,300 RPM (at rear wheels).
Price $1,095.00
IN STOCK.. FREE SHIPPING.
Designed to maximize midrange torque while maintaining strong peak horse power. Dyno results: +12 to +15 HP at 7,500 RPM and +12 to +15 lbft of torque @ 4,300 RPM (at rear wheels).
Price $459.00
IN STOCK. - FREE SHIPPING.
Permanently eliminates the exhaust RASP and increases mid-range HP and Torque on 2001 to 2006 BMW E46 M3. Direct replacement for the original exhaust section 1.
Price $899.00
IN STOCK - FREE SHIPPING. CUSTOM BUILT with 200 Cell Cats & CPI Resonators - FREE SHIPPING.
For use with after market headers. Eliminates RASP and maintains emissions compliance on 01 to 06 BMW E46 M3. Direct replacement for the original section 1 of the exhaust system.
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