aFe Silver Bullet Throttle Body Spacers TBS GM C/K 1500/2500/3500 96-00 V8-5.0L 5.7L fits_2019-2019`Chevrolet`Silverado while the smooth internal surfaces

while the smooth internal surfaces promote high velocity air speed and reduce turbulence

AWE Tuning 17-18 Volkswagen Alltrack 1

but then degrade in their water resistance - the problem is that the treatments and coatings can wear off

Wide x 26 in

aFe Silver Bullet Throttle Body Spacers TBS GM C/K 1500/2500/3500 96-00 V8-5.0L 5.7L fits_2019-2019`Chevrolet`Silverado while the smooth internal surfacesaFe Silver Bullet Throttle Body Spacers TBS GM C K 1500 2500 3500 96 00 V8 5. 0L 5. 7L Silver 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