Dinan High Flow Intake Manifold for BMW 540i 99-03 BMW 740i 99-01 X5 4.4 2000-03
The replacement intake manifolds feature larger diameter ''runners'' for improved engine efficiency at higher engine speeds (rpm) resulting in increased horsepower and torque. The result is faster overall acceleration, with the car feeling noticeably more willing right up to the rev-limiter.
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