All original BMW accessories come with a limited warranty of up to 4 years/50,000 miles*
The BMW Performance exhaust system invigorates engine output by allowing engine by-products to exit the vehicle more efficiently. RPM performance is heightened and engine performance is increased by up to 5hp and 3 ft-lbs of torque at 6600 RPM, but there's also another benefit. As RPMs escalate, so does the exhaust note, creating a racy but never intrusive sound.
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