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.
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. In recent testing this spacer produced 6 Horsepower and 13 lbs. x ft. of torque. This spacer was dynoed with a aFe OER air filter and dynamic air scoop.
This throttle body spacer is 50-state legal (CARB E.O Number D-550-11/D-550-17).
Year Make Model SubModel Engine Fuel 2011-2013 BMW 135i (E82/E88) N55 (t) L6 3.0L Gas 2011-2013 BMW 335i (E90/92/93) N55 (t) L6 3.0L Gas 2013-2014 BMW 335i (F31/F34) N55 (t) L6 3.0L Gas 2011-2013 BMW 335ix (E90/E92) N55 (t) L6 3.0L Gas 2012-2015 BMW 335ix (F30) N55 (t) L6 3.0L Gas 2013-2015 BMW 335ix (F31/34) N55 (t) L6 3.0L Gas 2014-2016 BMW 435i (F32/33/36) N55 (t) L6 3.0L Gas 2014-2016 BMW 435ix (F32/33/36) N55 (t) L6 3.0L Gas 2012-2016 BMW M135i (F20/21) N55 (t) L6 3.0L Gas 2012-2016 BMW M135ix (F20/21) N55 (t) L6 3.0L Gas 2014-2016 BMW M235i (F22) N55 (t) L6 3.0L Gas 2013-2015 BMW X1 35ix (E84) N55 (t) L6 3.0L Gas
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