{"product_id":"isr-performance-gt-single-exhaust-nissan-r34-25gtt-2-door","title":"ISR Performance GT Single Exhaust - Nissan R34 25GTT (2 Door)","description":"\u003cp\u003eThe ISR Performance GT Single Exhaust is a catback exhaust system for the Nissan Skyline R34 25GTT 2-door (RB25DET-powered Skyline coupe). Mandrel-bent stainless steel with 3-inch piping and a 4.5-inch polished muffler tip, delivering unrestricted flow for serious power builds while retaining a deep and aggressive exhaust tone.\u003c\/p\u003e\n\n\u003ch3\u003eWhat It Does\u003c\/h3\u003e\n\u003cp\u003eCatback replaces the entire exhaust system from the cat back, running 3-inch mandrel-bent piping to a polished muffler with a 4.5-inch tip. Significantly lighter than the factory exhaust and far less restrictive. the right exhaust pairing for any RB25DET build chasing real power, since the factory exhaust becomes a meaningful flow restriction even on mild bolt-on setups.\u003c\/p\u003e\n\n\u003ch3\u003eCritical Fitment\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eR34 25GTT 2-door (coupe) only.\u003c\/strong\u003e Not compatible with:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eR34 25GTT 4-door (sedan). different exhaust routing\u003c\/li\u003e\n\u003cli\u003eR34 GT-R (BNR34). uses dual exhaust and different mid-pipe routing\u003c\/li\u003e\n\u003cli\u003eAny R32 or R33 Skyline. different chassis exhaust layout\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eNissan Skyline R34 25GTT 2-door coupe (RB25DET)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1x 3-inch mid-pipe\u003c\/li\u003e\n\u003cli\u003e1x 3-inch muffler section with 4.5-inch tip\u003c\/li\u003e\n\u003cli\u003e2x 2-bolt 3-inch exhaust gaskets\u003c\/li\u003e\n\u003cli\u003e4x Bolts\u003c\/li\u003e\n\u003cli\u003e4x Nuts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct Details\u003c\/h3\u003e\n\u003cp style=\"margin-bottom: 4px;\"\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e ISR Performance\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 4px;\"\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e IS-GT-R34GT\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 4px;\"\u003e\u003cstrong\u003eType:\u003c\/strong\u003e Catback Single Exhaust (GT Series)\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 4px;\"\u003e\u003cstrong\u003eVehicle Fitment:\u003c\/strong\u003e Nissan Skyline R34 25GTT 2-door coupe ONLY\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 4px;\"\u003e\u003cstrong\u003eBody Style Restriction:\u003c\/strong\u003e 2-door coupe only (not 4-door sedan)\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 4px;\"\u003e\u003cstrong\u003eModel Restriction:\u003c\/strong\u003e 25GTT only (not GT-R \/ BNR34)\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 4px;\"\u003e\u003cstrong\u003eEngine:\u003c\/strong\u003e RB25DET\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 4px;\"\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e Mandrel-bent stainless steel\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 4px;\"\u003e\u003cstrong\u003eFinish:\u003c\/strong\u003e Brushed stainless\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 4px;\"\u003e\u003cstrong\u003ePiping Diameter:\u003c\/strong\u003e 3-inch\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 4px;\"\u003e\u003cstrong\u003eTip Diameter:\u003c\/strong\u003e 4.5-inch, polished\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 4px;\"\u003e\u003cstrong\u003eConstruction:\u003c\/strong\u003e Precision TIG welded\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 4px;\"\u003e\u003cstrong\u003eInstallation:\u003c\/strong\u003e Direct bolt-on, gaskets and hardware included\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 4px;\"\u003e\u003cstrong\u003eSold:\u003c\/strong\u003e Complete single exhaust system\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 4px;\"\u003e\u003cstrong\u003eLegality:\u003c\/strong\u003e Off-road and competition use only\u003c\/p\u003e","brand":"ISR Performance","offers":[{"title":"Default Title","offer_id":45957129699525,"sku":"IS-GT-R34GT","price":605.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/2718\/9701\/files\/GT-R34__24409.1727816261__28383.1727816939.500.659.jpg?v=1773346550","url":"https:\/\/www.isrcompetition.com\/products\/isr-performance-gt-single-exhaust-nissan-r34-25gtt-2-door","provider":"ISR Competition","version":"1.0","type":"link"}