Direct replacement bolt-on headers for all 2020 Porsche GT4, Spyder, GTS 4.0 liter cars. These are the new spectacular normally aspirated cars.
Fit both left hand and right hand drive models worldwide..
HJS German 200 CPSI catalytic converters were chosen by Fabspeed engineering in direct consultation with HJS emissions calibration in Menden Germany.
The largest possible HJS catalytic converters Katalaysators were used for NO Check Engine LIghts NO P420 no P430 codes. No ECU tune to pass emissions.
Direct replacement bolt-on for the stock OEM 4 catalytic converter equipped headers
HJS Catalytic converters flow the equivalent of 90% to 92% of a straight pipe.
More power and more sports car sound with any brand of OEM stock or aftermarket exhaust system.
Lifetime warranty and built 100% in house by Fabspeed Motorsport USA.
These are the very finest headers for the 718 GT4 cars developed in collaboration with HJS Emissions technology, a Fabspeed worldwide partner.
Dyno developed and Dyno proven- no simply slapped together and sold to the public.