aFe Silver Bullet Throttle Body Spacers TBS Mazda Miata ND 16-19 L4-2.0L - 46-30001 Diff Covers AutoTecknic introduces the OEM-Spec Carbon

AutoTecknic introduces the OEM-Spec Carbon Engine Cover for the BMW E46 M3 engineered in pre-preg carbon fiber as a direct replacement for the factory plastic unit (OE #11127838754)

& (1) Diesel Fuel Booster

Fits DK chassis only

it arrives from the factory with a sound that’s more restrained than it should be

90A Durometer Polyurethane Bushings

aFe Silver Bullet Throttle Body Spacers TBS Mazda Miata ND 16-19 L4-2.0L - 46-30001 Diff Covers AutoTecknic introduces the OEM-Spec CarbonSilver 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 el iminating the annoying whistle found in other helix only throttle spacers.