SBC Crossover Headers 1- 1/2in-1-5/8in Crate 2007-gmc-sierra-2500-hd-esi3454831 Fitting - Hose End -

Fitting - Hose End - AQP/Startlite - 45 Degree - 8 AN Hose to 8 AN Female Swivel - Aluminum - Black Anodized - Each

Coil Spring - Gold Series - Conventional - 5 in OD - 8 in Length - 275 lb/in Spring Rate - Rear - Steel - Gold Powder Coat - Each

Exhaust System - Touring Edition - Cat-Back - 3 in Diameter - Dual Rear Exit - 4

Exhaust System - Street Series - Cat-Back - Dual Rear Exit - 2

1 in Rectangular Port - Composite - Small Block Ford - Kit

SBC Crossover Headers 1- 1/2in-1-5/8in Crate 2007-gmc-sierra-2500-hd-esi3454831 Fitting - Hose End -Headers Conventional Crossover 1. 5 to 1. 625 in Primary 3 in Collector Gaskets Hardware Included Steel Black Paint Small Block Chevy Pair