Still built on the mostly unchanged 7th Generation F-150 chassis, the 9th Generation F-150 was an absolute workhorse. For hot rodders, the 9th Gen platform marked the debut of the Lightning to go head-to-head with Chevrolet's 454 SS trucks.

Force II® systems are designed for those who want the famous Flowmaster performance gains, but prefer a milder tone to the exhaust sound. Perfect for daily driven vehicles, Force II systems utilize our larger displacement mufflers for additional sound control and often feature custom-tuned resonators for very mild interior tones. Force II systems are available for many popular cars, trucks and SUVs in both stainless steel and economical aluminized steel.