Flowmaster American Thunder Cat-back Exhaust System 1985-chevrolet-k20-esi5532813 Valve Spring - NexTek -

Valve Spring - NexTek - Dual Spring / Damper - 534 lb/in Spring Rate - 1

Fitting - Hose End - AQP/Startlite - 45 Degree - 6 AN Hose to 6 AN Female - Aluminum - Blue / Red Anodized - Each

310 in Stud - 5/8-18 in Thread - Hardware Included - Steel Cap - Black Oxide - Each

495 in - Duration 287 / 304 - 107 LSA - 2000 / 5900 RPM - Big Block Chevy - Each

Exhaust System - Xtreme - Axle-Back - 2

Flowmaster American Thunder Cat-back Exhaust System 1985-chevrolet-k20-esi5532813 Valve Spring - NexTek -Our American Thunder exhaust system for 1986 1993 Ford Mustang LX (Fox body) with the 5. 0L engine is a bolt on emissions legal system. Features free flowing 2. 50 inch mandrel bent stainless steel inlet pipes flowing into a pair of Super 44 Series mufflers for that deep iconic sound of the 5. 0L engine. The 2. 50 inch mandrel bent stainless steel tailpipes use the factory hanger locations for a quick and easy installation and the system is finished