40 Delta Flow® - 3.00 Offset In / 3.00 Center Out - Aggressive Sound " Differential Covers and Parts and Fass Diesel Fuel Systems

and Fass Diesel Fuel Systems patented air/vapor removal process

7 Powerstroke

Reduces crankcase oil vapor that contaminates the intake system

Featuring BorgWarner SX-E cartridges and 2-piece pulse exhaust Manifold

40 Delta Flow® - 3.00 Offset In / 3.00 Center Out - Aggressive Sound " Differential Covers and Parts and Fass Diesel Fuel SystemsThis 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.