Flowmaster Super 44 Series 2.25" In 2.25" Dual Out Universal Chambered Muffler intercooler Built to handle the harshest

Built to handle the harshest road conditions

The RockJock Antirock® sway bar kit provides balanced performance of front and rear suspension in rough off-road conditions

100% bolt-on design with no cutting or welding required

it adds both performance and aggressive styling to your Focus RS

Flowmaster Super 44 Series 2.25" In 2.25" Dual Out Universal Chambered Muffler intercooler Built to handle the harshestFlowmaster's Super 44 muffler uses the same Delta Flow technology found in our larger Super 40 mufflers. The Super 44 delivers a powerful rich tone and is the most aggressive, deepest sounding, highest performing four inch case street muffler we've ever built! Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability. Features: Noticeable interior resonance Recent two chamber improvement Race proven Delta Flow technology