Cat Back Exhaust 21- Ford F150 2.7/3.5/5.0L downpipes For maximum enjoyment and sound

For maximum enjoyment and sound when the valve is opened on the M2 exhaust the system becomes a straight pipe to achieve peak power

'Following in the footsteps of its big brother on the B58 engine

While box and filter enlargement and redesign are a major factor in ultimately producing a more potent intake they are not the only variables in creating a more efficient design either

3 L - GM V8 - GM Fullsize Truck 2014-18 - Kit

Cat Back Exhaust 21- Ford F150 2.7/3.5/5.0L downpipes For maximum enjoyment and soundExhaust System American Thunder Cat Back 3 in Diameter Dual Rear Side Exit 3. 5 in Polished Tips Stainless Natural Ford Fullsize Truck 2021 22 Kit