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