Cat Back Exhaust [Mk7 Fiesta ST] Pistons Direct replacement

Direct replacement

OE level of finish

39% increase in air flow

This product allows the discerning Puma owner to add a touch of mountune to their car

• Crank sprocket machining for keyway

Cat Back Exhaust [Mk7 Fiesta ST] Pistons Direct replacementThe mountune Cat Back Exhaust for mk7 Fiesta ST reduces back pressure and improves performance, whilst keeping cabin intrusion boom to a minimum. Designed and developed in the UK, mountune's cat back exhaust utilises a Helmholtz chamber design in the rear silencer. This helps cancel out unwanted frequencies due to the way in which the exhaust gas waves are reflected. Despite being more complicated and therefore expensive to manufacture, this design