{"product_id":"porsche-911-gt3-304ss-valved-catback-exhaust","title":"BJG Custom Exhaust: Porsche 992 GT3\/GT3 RS - Stainless Steel Valved Catback","description":"\u003cp\u003e\u003cstrong\u003eA richer flat-six soundtrack, with control when you want it.\u003c\/strong\u003e The BJG Custom Stainless Steel Valved Catback gives the Porsche 992 GT3\/GT3 RS a more expressive voice while retaining the flexibility of a valved exhaust. With the valves closed, the sound takes on a more restrained character; open them for a fuller, more assertive note as the revs rise.\u003c\/p\u003e\u003cp\u003eStainless-steel construction, purposeful routing and a polished finish create a premium rear-exhaust upgrade that complements the GT3's naturally aspirated character. The system focuses on sound and exhaust flow, with the final result determined by the vehicle, header configuration and calibration.\u003c\/p\u003e\u003ch3\u003eHighlights\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eStainless-steel valved catback exhaust for Porsche 992 GT3\/GT3 RS\u003c\/li\u003e\n\u003cli\u003eAdjustable exhaust character through its valved layout\u003c\/li\u003e\n\u003cli\u003eExhaust-only, race-header and high-flow-header package choices\u003c\/li\u003e\n\u003cli\u003eProfessional installation required\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eChoose Your Configuration\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eCatback Only:\u003c\/strong\u003e Valved rear exhaust; headers are not included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAdd Performance Racing Headers:\u003c\/strong\u003e Catback exhaust with matching race headers. Compatible ECU tuning is required.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAdd High Flow Headers:\u003c\/strong\u003e Catback exhaust with matching high-flow catted headers. Confirm calibration and emissions requirements for your specific vehicle.\u003c\/p\u003e\u003ch3\u003eFitment \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003ePorsche 992 GT3\/GT3 RS. Confirm model year, chassis, connection layout and valve-control compatibility before ordering. Header selection must match the vehicle and exhaust. The gallery shows a package configuration; headers are included only when the corresponding option is selected.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRace-header use restrictions:\u003c\/strong\u003e Not approved for public-road use. Race designation does not override emissions or anti-tampering laws, and tuning does not make emissions-delete hardware street legal. Confirm legal eligibility before purchase or installation. High-flow catalytic converters do not by themselves establish street-use approval.\u003c\/p\u003e","brand":"BoostedJunkie Garage","offers":[{"title":"Catback Only","offer_id":59646055874641,"sku":"BJG-PORSCHE-911-GT3-304SS-VALVED-CATBACK-EXHAUST-DEFAULT-TITLE","price":3799.0,"currency_code":"USD","in_stock":true},{"title":"Add Performance Racing Headers (+$2000)","offer_id":59821526712401,"sku":null,"price":5799.0,"currency_code":"USD","in_stock":false},{"title":"Add High Flow Headers (+$3000)","offer_id":59821526745169,"sku":null,"price":6799.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1009\/7842\/5937\/files\/WhatsAppImage2026-07-11at9.17.24PM.jpg?v=1784147401","url":"https:\/\/boostedjunkiegarage.com\/products\/porsche-911-gt3-304ss-valved-catback-exhaust","provider":"BoostedJunkie Garage","version":"1.0","type":"link"}