aFe Silver Bullet Throttle Body Spacers TBS Nissan Frontier/Pathfinder/Xterra 05-09 V6-4.0L - 46-36002 fits_2006-2011`BMW`3 Series We've conducted rigorous test fittings

We've conducted rigorous test fittings to ensure a seamless fit giving you the confidence that these paddles are a perfect match for your BMW

Material: Aerospace-grade Grade 5 titanium

Does not fit Regal GS Turbo model

The Valvetronic Designs Race Non-Valved Titanium Exhaust System removes all barriers between engine and atmosphere

So it's much more comfortable when just cruising or taking hard tight turns

aFe Silver Bullet Throttle Body Spacers TBS Nissan Frontier/Pathfinder/Xterra 05-09 V6-4.0L - 46-36002 fits_2006-2011`BMW`3 Series We've conducted rigorous test fittingsSilver 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.