{"product_id":"fabspeed-porsche-964-carrera-rsr-header-muffler-kit-with-sport-cats-1989-1994","title":"FABSPEED Porsche 964 Carrera RSR Header Muffler Kit with Sport Cats (1989–1994)","description":"\u003cp\u003eA complete RSR-style header and muffler system engineered for Porsche 964 Carrera models. Equal-length 3-into-1 headers and a dual-outlet muffler improve exhaust flow, response, sound, and rear-end weight distribution while retaining configurable cabin-heat functionality.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e Porsche 964 Carrera C2, C4, RS America, Euro RS, and Speedster, model years 1989–1994.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRSR-style equal-length headers with high-velocity merge collectors\u003c\/li\u003e\n\u003cli\u003eT304L stainless-steel construction\u003c\/li\u003e\n\u003cli\u003eHJS high-flow sport catalytic converters\u003c\/li\u003e\n\u003cli\u003eChoice of heat-exchange provision and outlet style\u003c\/li\u003e\n\u003cli\u003eIncludes required installation hardware\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eInstallation note:\u003c\/strong\u003e The second outlet may require rear-bumper modification. Retorque exhaust fasteners to OEM specification after the initial heat cycle.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCompliance:\u003c\/strong\u003e Sport-catalyst configurations are intended for competition or off-road use where permitted. Confirm local regulations before installation.\u003c\/p\u003e","brand":"Fabspeed","offers":[{"title":"With Heat Exchange \/ HJS Sport Cats \/ Oval Style Tips","offer_id":53998840611092,"sku":"FS.POR.964.RSRWHTS","price":6409.95,"currency_code":"USD","in_stock":true},{"title":"With Heat Exchange \/ HJS Sport Cats \/ Competition Muffler Outlets","offer_id":53998840643860,"sku":"FS.POR.964.RSRWHS","price":6046.95,"currency_code":"USD","in_stock":true},{"title":"Without Heat Exchange \/ HJS Sport Cats \/ Oval Style Tips","offer_id":53998840676628,"sku":"FS.POR.964.RSRWOHTS","price":5804.95,"currency_code":"USD","in_stock":true},{"title":"Without Heat Exchange \/ HJS Sport Cats \/ Competition Muffler Outlets","offer_id":53998840709396,"sku":"FS.POR.964.RSRWOHS","price":5441.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1259\/9599\/files\/fabspeed-964-rsrkit-1.jpg?v=1789110206","url":"https:\/\/www.dennispowersport.com\/products\/fabspeed-porsche-964-carrera-rsr-header-muffler-kit-with-sport-cats-1989-1994","provider":"DennisPowerSport","version":"1.0","type":"link"}