aFe Silver Bullet Throttle Body Spacer TBS 17-19 Nissan Patrol (Y61) I6-4.8L 2014-mini-cooper-esi6764739 The Exhaust Backpressure install kit

The Exhaust Backpressure install kit is engineered to provide backpressure readings without sacrificing sensor longevity due to extreme operating conditions

Year Make Model Submodel 1996-2003 Kawasaki ZX750 Ninja ZX-7R Base 1996-1997 Kawasaki ZX750 Ninja ZX-7RR Base

1969 Harley-Davidson XLCH Base 1972-1980 Harley-Davidson XLH1000 Base 1981-1985 Harley-Davidson XLS Roadster Base

requiring less shim stack to achieve negative camber on lowered cars

aFe Silver Bullet Throttle Body Spacer TBS 17-19 Nissan Patrol (Y61) I6-4.8L 2014-mini-cooper-esi6764739 The Exhaust Backpressure install kitSilver 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.