Super 40 - 2.50 Center In / 2.50 Center Out - Aggressive Sound 1971-pontiac-grand-safari-esi9416835 Underseat Storage Box - Gearbox

Underseat Storage Box - Gearbox - Plastic - Black / Textured - Super Cab - Ford Fullsize Truck 2015-18 - Each

Fitting - Fuel Injection Adapter - Straight - 6 AN Male to 3/8 in SAE Female Quick Disconnect - Aluminum - Black Anodized - Each

Shifter - Quicksilver Console Shifter - Automatic - Console Mount - Forward Pattern - Hardware Included - GM F-Body 1971-81 - Kit

Fan Controller - Mechanical - Adjustable - 32-240 Degree F Activation Range - Radiator Hose Temperature Sensor - Harness - 25 amps Relay - Kit

Fitting - Tube End - Straight - 6 AN Male to 3/8 in Tubing - Aluminum - Blue / Red Anodized - Each

Super 40 - 2.50 Center In / 2.50 Center Out - Aggressive Sound 1971-pontiac-grand-safari-esi9416835 Underseat Storage Box - GearboxDeveloped from our Top Ten race muffler lineup for use on the street strip, the Super 40 features Flowmaster's Delta Flow technology. It's larger case profile provides the best of both worlds of performance and sound, especially on forced induction and high horsepower vehicles. The Super 40 has that deep powerful sound of the Original 40 series but with all the benefits of performance and low interior resonance from the Delta Flow technology.