aFe 11-14 Ford Mustang/ 11-14 Ford F-150 V6 3.7L Silver Bullet Throttle Body Spacer - Silver Color:Silver 4-1/2" Exhaust Tip: Finishing off

4-1/2" Exhaust Tip: Finishing off this system is a 4-1/2" black

This system features a high-flow 304 stainless steel polished muffler

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The loop is powder coated Blue (Red

2017-2018 BMW 230i Base 2 Door Coupe RWD

aFe 11-14 Ford Mustang/ 11-14 Ford F-150 V6 3.7L Silver Bullet Throttle Body Spacer - Silver Color:Silver 4-1/2" Exhaust Tip: Finishing offThe serrated helix design creates air turbulence in the intake manifold. This turbulence increases the air pressure in the combustion chamber, resulting in increased performance and improved throttle response. The serrated helix combination design also reduces intake whistle that occurs with helix only designs (US PAT 07055513). This Silver Bullet throttle body spacer is precision machined from 6061 T6 billet aluminum for lightweight, high strength,