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Two buttons on the faceplate deliver programmability for peak/recall
Base pressure adjustable from 3 to 20 PSI with standard spring
51-81012-C
3-to-1 Mitered Merge collectors decrease turbulence and increases exhaust velocity
Year Make Model Submodel 2008-2010 BMW 135i Base 2007-2010 BMW 335i Base 2009-2010 BMW 335i xDrive Base 2007-2008 BMW 335xi Base 2008-2010 BMW 535i Base 2009-2010 BMW 535i xDrive Base 2008 BMW 535xi Base
aFe Silver Bullet Throttle Body Spacers TBS Ford F-150 97-10 V8-4.6 97-03 V8-5.4L 2006-chevrolet-silverado-2500-hd-lt-esi6229872 Two buttons on the faceplateSilver Bullet throttle body spacers create turbulence in the air flow at the point just prior entry into the engine increasing horsepower, torque and improving throttle response and fuel efficiency. Silver Bullet throttle body spacers are constructed out of durable T 6061 billet aluminum and using a unique serrated helix entry to create turbulence at the manifold while eliminating the annoying whistle found in other helix only throttle spacers.
