Hooker 21670HKR VR304 Muffler RAM " re-calibrate your speedometer for larger

re-calibrate your speedometer for larger aftermarket tires

Constructed from high-quality materials

The cap bushings have a distinct boss feature on it that matches the slot on the mounting tabs

and filter fuel for your Cummins engine

WIF Sensor Port 9/16-18 O-ring Port Plug

Hooker 21670HKR VR304 Muffler RAM " re-calibrate your speedometer for largerThe VR304 Muffler offers excellent exhaust flow capabilities with a mellow yet powerful sound. This muffler produces an aggressive sound on throttle but a quiet note at idle with very little resonance. 304 stainless steel construction for maximum corrosion resistance and a great undercar look. The straight through designed perforated core and glass packing absorption muffler produces maximum power.