99-06 GM P/U Reg Cab SB American Thunder System Air Intakes 100% stainless steel construction and

100% stainless steel construction and exacting specifications ensure that the system fits correctly using the factory hangers and will resist corrosion for years to come

the M340i comes with a dry and lifeless air box housing a basic panel filter that is also accompanied by an intake resonator whose job it is to eliminate turbo/intake noises

the rear of the 540i assumes a more aggressive demeanor with the Dinan exhaust system

This allows exhaust gases to exit the turbine more efficiently and reduces backpressure on the turbine side

internal cross sectional area is increased by approximately 78 percent

99-06 GM P/U Reg Cab SB American Thunder System Air Intakes 100% stainless steel construction andExhaust System American Thunder Cat Back 3 in Diameter Dual Side Exit 3 in Polished Tips Steel Aluminized GM Fullsize Truck 1999 2006 Kit