Depo Racing Fiesta ST Catless Down pipe . In stock cars, the stock catalytic converter is the primary choking point to make power with a turbo. In order for the turbo to spool fast and compress the air for the engine, the exhaust needs to escape freely. If the exhaust stops flowing the turbo stops moving efficiently. This may be the single best Mod for this car.
a. 3″ 304 Stainless Steel
b. Flow good for 500+ whp , but makes the stock setup really wake up
c. Bolts up to stock or aftermarket exhaust
d. Free flowing Catless Track Only version
e. Track / Off road use Only
– See more at: http://www.deporacing.us