Spring 15in Rear 5in OD Exhaust Systems Exhaust System - American Thunder

Exhaust System - American Thunder - Cat-Back - 3 in Diameter - Dual Rear Exit - 3 in Polished Tips - Steel - Aluminized - GM LS-Series - GM Fullsize Truck 1999-2007 - Kit

The Dinan springs are CNC wound with high tensile chrome silicon wire and shot-peened for stress relief to last the life of the car

25 in Oval Body - 16 in Long - Stainless - Natural - Universal - Each

This insulating characteristic and rapid cooling after hard acceleration reduce heat in the air intake tract when compared to air intakes constructed of aluminum or other metals

Spring 15in Rear 5in OD Exhaust Systems Exhaust System - American ThunderCoil Spring Conventional 5 in OD 15 in Length 250 lb in Spring Rate Rear Steel Red Powder Coat Each