Billet Specialties - LS Thermostat Housing Straight Polished Helmet - RZ-37Y - SFI

Helmet - RZ-37Y - SFI 24

Fitting - Hose End - PTFE Racing Hose - 90 Degree - 6 AN Hose to 5/8-18 Inverted Flare Male - Steel - Natural - Each

This American Thunder system features a Super 50 Series performance muffler that delivers a moderately aggressive exterior sound with a moderate interior tone

If an extra output is not available (as would be the case on a HP ECU driving 8 injectors)

out the sides behind the rear tires for that classic truck look or a dump style exiting behind the rear tires level with the body

Billet Specialties - LS Thermostat Housing Straight Polished Helmet - RZ-37Y - SFIWater Neck Straight 1 1 2 in ID Hose O Ring Stainless Hardware Aluminum Polished GM LS Series Each