Due to the Coronavirus we prefer that you contact us though email for any questions .

Exhaust-991 Turbo 200-cell HJS Sport Cats (Direct replacement. Works with factory muffler)

Free Shipping!

High-flowing, direct bolt-on replacement for the bulky & restrictive factory catalytic converters                                                                                              


  • Fits all 991 Turbo vehicles (2013+)
  • Improves power and throttle response while decreasing back pressure
  • High flow sport race cat for maximum flow and power.
  • Constructed from high-quality 14-16 gauge T304L stainless steel for optimum flow and maximum durability 
  • Includes intergrated O2 sensor bung for fuel-injected cars
  • Direct replacement bolt-on for stock cat or catbypass pipe
NOTE:  200-cell high-flow catalytic converters are not C.A.R.B. certified and are for Off-Road Use ONLY in the state of California