-Hi-Flow Cats: Hi-Flow Cats are Catalytic converters made with ceramic or metallic materials designed to flow a higher volume of air. Typically, these high-flow cats achieve teh higher rate of flow by decreasing cell counts without jeopardizing check engine lights or emissions control levels.
Audi B7 06-on A4 2.0T HiFlow Cat by Milltek: Yes, that's right...for all years starting 1997 through current 2.0T cars. Easy installation, bolts between your factory turbo and downpipe. Can be used with your stock exhaust or aftermarket exhausts. We all know that to make power you want to remov...more
Cayenne Secondary Cat Bypass Pipes: V8 Cayennes have 4 catalytic converters. The 2nd set is only to make to car extremely quiet - unnecessarily quiet. Fabspeed's cat bypass pipes are easy install and remove, bolt on/bolt off in less than 30 minutes. Copper gaskets included for ease of ...more
Maserati Coupe/Cambriocorsa/Cabrio Sport De-Cat Pipes: Larini Systems Sport De-Cat Pipes are a powerful upgrade for the Maserati 4200 Coupe, Spyder and Gransport models, unleashing +18hp and +37 ft/lb of torque from this single bolt-on performance upgrade. The factory Maserati 4200 cat sections incorp...more
Milltek 97-05 Audi A4 B6 1.8T HiFlow Cat: Yes, that's right...for all years starting 1997 through current 2.0T cars. Easy installation, bolts between your factory turbo and downpipe. Can be used with your stock exhaust or aftermarket exhausts. We all know that to make power you want to remov...more
Porsche 993 Sport Cats by speedART: There are two manufactures which have made the Porsche parts for the 993. Please let us know which exhaust system, Bischoff or Gillet, is on the car....more
Porsche Carrera 997 High-Flow 200-Cell Catalytic Converter: The Milltek 100% stainless steel high flow catalytic converters add real noticeable power. Reduce back-pressure for increased power and torque. Made with German 200 cell, platinum coated catalysts for superior longevity and reliability. -Direct re...more
Porsche Panamera 4S Sport Cats: Sport catalysts for reduced exhaust gas pressure and additional power made of stainless steel. *Fits Panamera 4S cars only....more
Porsche Panamera S Sport Cats: Sport catalysts for reduced exhaust gas pressure and additional power made of stainless steel. *Fits Panamera S cars only....more
Porsche Panamera Turbo Sport Cats: Sport catalysts for reduced exhaust gas pressure and additional power made of stainless steel. *Fits Panamera Turbo cars only....more