The world's only 5 step 4 inch performance system
Triple stepped headers for anti-reversion, full range torque and optimal horsepower
2.5 inch to 3 inch stepped louvered, "Power Thrust Baffles" or optional quiet baffles
4 inch muffler with 2.5 O.D. full length, 1-piece 220° heavy-duty 16 gauge heatshields
Complete with mounting hardware and brackets
Drag strip rumble