Silver Bullet throttle body spacers create turbulence in the air flow just prior to entry into the engine increasing horsepower, torque and improving throttle response and fuel efficiency. Silver Bullet throttle body spacers are constructed out of durable 6061-T6 billet aluminum and use a unique serrated/helix entry to create turbulence at the manifold while eliminating the annoying whistle found in other helix-only throttle spacers.
Serrated/Helix Design: The Serrated/Helix combination design creates intake turbulence in the combustion chamber. This turbulence breaks up the fuel which creates a more complete combustion cycle increasing horsepower, torque and improving throttle response. The Serrated/Helix combination design also reduces intake whistle that occurs with helix-only designs.
6061-T6 Billet Aluminum Construction: All Silver Bullet Throttle Body Spacers are constructed from 6061-T6 billet aluminum precision machined for light weight, high strength and perfect fit and finish.
Longer Intake Track: Adding a Silver Bullet Throttle Body spacer lengthens the intake track which helps increase intake air speed, performance and improve throttle response.
This Silver Bullet throttle body spacer produces up to 6 hp and 10 lbs. x ft. torque.
This throttle body spacer is 50-state legal (CARB E.O Number D-550-11/D-550-17).
2014-2016 BMW 220i/228i (F22) L4-2.0L (turbo) N20 (CARB 2014 models 220i/CARB 2014-2015 models 228i)
2013-2016 BMW 320i/ix (F30/31/34) L4-2.0L (turbo) N20
2012-2016 BMW 328ix (F30) L4-2.0L (turbo) N20/N26 (CARB 2012-2013 models)
2013-2016 BMW 328i/ix (F31/F34) L4-2.0L (turbo) N20/N26 (CARB 2012-2015 models)
2014-2016 BMW 420i/ix (F32/33) L4-2.0L (turbo) N20/N26 (CARB 2014 models)
2014- 2016 BMW 428i/ix (F32/33/36) L4-2.0L (turbo) N20/N26 (CARB 2014-2015 models)
Year Make Model SubModel Engine Fuel 2016-2016 BMW 428i (F32/33/36) N20/N26 (turbo) L4 2.0L Gas 2014-2016 BMW 428ix F32/F33 Turbo N20/N26 L4 2.0L Gas 2015-2016 BMW 428ix (F32/33/36) N20/N26 (t) L4 2.0L Gas 2016-2016 BMW 428ix (F32/33/36) N20/N26 (turbo) L4 2.0L Gas
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