Flowmaster - 40 Delta Flow® - 2.25 Offset In / 2.25 Center Out - Aggressive Sound Coil Spring - Tight Helix

Coil Spring - Tight Helix - Conventional - 5 in OD - 13 in Length - 250 lb/in Spring Rate - Steel - Black Powder Coat - Each

Drag Link Tether - 10-24 in Adjustable - 1 in Wide - Nylon - Black - Sprint Cars - Each

Head and Neck Support - Pro Ultra Lite - FIA Approved - Sliding Post Tether - Carbon Fiber - Large - Kit

84 in Travel - 14

Flowmaster - 40 Delta Flow® - 2.25 Offset In / 2.25 Center Out - Aggressive Sound Coil Spring - Tight HelixThis two chamber design incorporates Flowmaster's Delta Flow technology. The Delta deflectors generate increased scavenging for better performance and reduced interior sound. Milder exterior tone and reduced interior resonance over standard 40 series. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.