★★★★★ 5
OE Quality Part
Worked perfectly. Everything needed is there.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 27, 2026
Fabspeed Porsche 991 Carrera RENNKRAFT® Modular Headers with HJS Catalytic Converters (2012-2016)
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Fabspeed Porsche 991 Carrera RENNKRAFT® Modular Headers with HJS Catalytic Converters (2012-2016)SKU: POR. 991. MH. SC Fabspeed Porsche 991 Carrera RENNKRAFT Modular Headers with HJS Catalytic Converters (2012 2016) These patented RENNKRAFT modular headers deliver race power functionality for Porsche 991 Carrera models from 2012 to 2016. The quick release V band design allows easy swaps between HJS 200 cell catalytic converters for street use and cat bypass pipes for track only applications. Expect +25 HP and 20 ft lbs torque gains with weight
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Exchange/Return Notes
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- Final sale items are not eligible for returns or exchanges.
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Reviewed in the United States on February 23, 2026
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Reviewed in the United States on November 13, 2025
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