{"product":{"id":11371758879062,"title":"Borla Porsche 911 Cat-Back Exhaust System (2012–2016)","body_html":"\u003cp\u003eChoose the exact listed application and part number. Match the engine, model year, body, drivetrain, transmission and original exhaust arrangement in the applications and installation requirements below.\u003c\/p\u003e\u003cp\u003eBorla cat-back exhaust system for the application and installation requirements shown below. Construction: T-304 stainless steel. Pipework uses mandrel bends. Sound specification: S-Type. Tip specification: Polished stainless steel.\u003c\/p\u003e\u003cp\u003eBorla cat-back exhaust system for the application and installation requirements shown below. Construction: T-304 stainless steel. Pipework uses mandrel bends. Sound specification: S-Type. Tip specification: Reuse factory tips.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eMatch the exact engine, model year, drivetrain, transmission and exhaust hardware for the selected part number.\u003c\/strong\u003e\u003c\/p\u003e\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct\u003c\/td\u003e\n\u003ctd\u003eCat-Back Exhaust System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart numbers\u003c\/td\u003e\n\u003ctd\u003e140523, 140524, 140710\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePipe Diameter\u003c\/td\u003e\n\u003ctd\u003e140523: 2.5\" Through muffler 1.75\" out 2nd muffler; 140524: 2.5\" into muffler dual 1.75\" out; 140710: 2.5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTip Size\u003c\/td\u003e\n\u003ctd\u003e140523: 3.14\"; 140524: 3.14\"; 140710: —\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTip Exit\u003c\/td\u003e\n\u003ctd\u003e140523: Dual Split Rear Exit; 140524: Dual Split Rear Exit; 140710: Single Split Rear Exit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSound\u003c\/td\u003e\n\u003ctd\u003eS-Type\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eVehicle applications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eEngine\u003c\/th\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003cth\u003eBody\u003c\/th\u003e\n\u003cth\u003eDrive\u003c\/th\u003e\n\u003cth\u003eTransmission\u003c\/th\u003e\n\u003cth\u003eExhaust configuration\u003c\/th\u003e\n\u003cth\u003eMatching part numbers\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2013–2015\u003c\/td\u003e\n\u003ctd\u003ePorsche 911\u003c\/td\u003e\n\u003ctd\u003e3.8L 6-cylinder petrol\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eCoupe; 2-door\u003c\/td\u003e\n\u003ctd\u003eRWD\u003c\/td\u003e\n\u003ctd\u003eAutomatic\u003c\/td\u003e\n\u003ctd\u003eThis system contains NPP valves; This system includes Dual Mode valves. Porsche; 911 S; 2013–2015; 3.8L 6-cylinder petrol; Coupe; 2 passenger side doors; RWD; Automatic; 991\u003c\/td\u003e\n\u003ctd\u003e140523\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2013–2015\u003c\/td\u003e\n\u003ctd\u003ePorsche 911\u003c\/td\u003e\n\u003ctd\u003e3.8L 6-cylinder petrol\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eCoupe; 2-door\u003c\/td\u003e\n\u003ctd\u003eAWD\u003c\/td\u003e\n\u003ctd\u003eAutomatic\u003c\/td\u003e\n\u003ctd\u003eThis system contains NPP valves; This system includes Dual Mode valves. Porsche; 911 4S; 2013–2015; 3.8L 6-cylinder petrol; Coupe; 2 passenger side doors; AWD; Automatic; 991\u003c\/td\u003e\n\u003ctd\u003e140523\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2012–2016\u003c\/td\u003e\n\u003ctd\u003ePorsche 911\u003c\/td\u003e\n\u003ctd\u003e3.4L 6-cylinder petrol\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eCoupe; 2-door\u003c\/td\u003e\n\u003ctd\u003eRWD\u003c\/td\u003e\n\u003ctd\u003eAutomatic\u003c\/td\u003e\n\u003ctd\u003eThis system does NOT contain Dual Mode Exhaust valves; This system does NOT include dual mode valves. Porsche; 911 Carrera; 2012–2016; 3.4L 6-cylinder petrol; Coupe; 2 passenger side doors; RWD; Automatic; 991\u003c\/td\u003e\n\u003ctd\u003e140524\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2012–2016\u003c\/td\u003e\n\u003ctd\u003ePorsche 911\u003c\/td\u003e\n\u003ctd\u003e3.8L 6-cylinder petrol\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eCoupe; 2-door\u003c\/td\u003e\n\u003ctd\u003eRWD\u003c\/td\u003e\n\u003ctd\u003eAutomatic\u003c\/td\u003e\n\u003ctd\u003eThis system does NOT contain Dual Mode Exhaust valves; This system does NOT include dual mode valves. Porsche; 911 S; 2012–2016; 3.8L 6-cylinder petrol; Coupe; 2 passenger side doors; RWD; Automatic; 991\u003c\/td\u003e\n\u003ctd\u003e140524\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2013–2016\u003c\/td\u003e\n\u003ctd\u003ePorsche 911\u003c\/td\u003e\n\u003ctd\u003e3.8L 6-cylinder petrol\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eCoupe; 2-door\u003c\/td\u003e\n\u003ctd\u003eAWD\u003c\/td\u003e\n\u003ctd\u003eAutomatic\u003c\/td\u003e\n\u003ctd\u003eThis system does NOT contain Dual Mode Exhaust valves; This system does NOT include dual mode valves. Porsche; 911 4S; 2013–2016; 3.8L 6-cylinder petrol; Coupe; 2 passenger side doors; AWD; Automatic; 991\u003c\/td\u003e\n\u003ctd\u003e140524\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2013–2015\u003c\/td\u003e\n\u003ctd\u003ePorsche 911\u003c\/td\u003e\n\u003ctd\u003e3.8L 6-cylinder petrol\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eCoupe; 2-door\u003c\/td\u003e\n\u003ctd\u003eRWD\u003c\/td\u003e\n\u003ctd\u003eAutomatic \/ Manual\u003c\/td\u003e\n\u003ctd\u003eTips NOT included. Use factory valance \/ tips.; Tips NOT included. Porsche; 911; 2013–2015; 3.8L 6-cylinder petrol; Coupe; 2 passenger side doors; RWD; Automatic\/Manual; Exact supplier configuration\u003c\/td\u003e\n\u003ctd\u003e140710\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eAvailable variants\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePart number\u003c\/th\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003cth\u003eSound and design\u003c\/th\u003e\n\u003cth\u003eTip configuration\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e140523\u003c\/td\u003e\n\u003ctd\u003e2013–2015; Porsche 911; 3.8L\u003c\/td\u003e\n\u003ctd\u003eS-Type, Dual Split Rear Exit\u003c\/td\u003e\n\u003ctd\u003ePolished stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e140524\u003c\/td\u003e\n\u003ctd\u003e2012–2016, 2013–2016; Porsche 911; 3.4L, 3.8L\u003c\/td\u003e\n\u003ctd\u003eS-Type, Dual Split Rear Exit\u003c\/td\u003e\n\u003ctd\u003ePolished stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e140710\u003c\/td\u003e\n\u003ctd\u003e2013–2015; Porsche 911; 3.8L\u003c\/td\u003e\n\u003ctd\u003eS-Type, Single Split Rear Exit\u003c\/td\u003e\n\u003ctd\u003eReuse factory tips\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation and care\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e140523: This system contains NPP valves\u003c\/li\u003e\n\u003cli\u003e140523: This system includes Dual Mode valves.\u003c\/li\u003e\n\u003cli\u003e140524: This system does NOT contain Dual Mode Exhaust valves\u003c\/li\u003e\n\u003cli\u003e140524: This system does NOT include dual mode valves.\u003c\/li\u003e\n\u003cli\u003e140710: Tips NOT included. Use factory valance \/ tips.\u003c\/li\u003e\n\u003cli\u003e140710: Tips NOT included.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFollow Borla’s instructions for the selected part number before fitting.\u003c\/p\u003e","vendor":"Borla","product_type":"Exhaust System","created_at":"2026-10-16T13:05:05+01:00","handle":"borla-porsche-911-cat-back-exhaust-991","updated_at":"2026-10-22T23:42:46+01:00","published_at":"2026-10-16T16:49:05+01:00","template_suffix":null,"published_scope":"web","tags":"brand:borla, cat:exhausts, dept:performance-parts, fits:porsche-911-3-8l-coupe-rwd-2013-2015-838183ff6b-3-8l-6-cylinder-petrol, fits:porsche-911-4s-3-8l-coupe-awd-2013-2015-1d56b6eede-3-8l-6-cylinder-petrol, fits:porsche-911-4s-3-8l-coupe-awd-2013-2016-2381e4e662-3-8l-6-cylinder-petrol, fits:porsche-911-carrera-3-4l-coupe-rwd-2012-2016-7caba549de-3-4l-6-cylinder-petrol, fits:porsche-911-s-3-8l-coupe-rwd-2012-2016-9bbbd471b3-3-8l-6-cylinder-petrol, fits:porsche-911-s-3-8l-coupe-rwd-2013-2015-fbee8e0b49-3-8l-6-cylinder-petrol, make:porsche, type:exhaust-system","variants":[{"id":55795465322838,"product_id":11371758879062,"title":"2013–2015; 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