{"product_id":"texas-speed-full-header-back-catted-system-valved-2011-2014-mustang-gt-tsp-s197fs-v","title":"Texas Speed Full Header Back Catted System - Valved (2011-2014 Mustang GT) - TSP-S197FS-V","description":"\u003cdiv\u003e\u003cstrong\u003eTSP Valved Full Exhaust System – Long Tubes to Tips (2011–2014 Mustang GT)\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003eThe TSP Valved Header-to-Tip Exhaust System is the ultimate all-in-one performance upgrade for your 2011–2014 S197 Mustang GT. This complete kit delivers aggressive sound, serious flow, and the ability to control your volume — all while improving power from end to end. From the TIG-welded long tube headers to the 4” stainless tips, this kit is 100% T304 stainless steel and built to perform.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cstrong\u003eVehicle Fitment:\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003eChassis: 2011–2014 Ford Mustang GT (S197)\u003c\/div\u003e\n\u003cdiv\u003eEngine: 5.0L Coyote V8\u003c\/div\u003e\n\u003cdiv\u003eTransmission: Manual or Automatic\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cstrong\u003eComplete System Includes:\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003e1-7\/8\" TSP Long Tube Headers – TIG-welded 304SS with 3” collectors\u003c\/div\u003e\n\u003cdiv\u003eHigh Flow Catalytic Converters – For improved exhaust velocity and emissions performance\u003c\/div\u003e\n\u003cdiv\u003eTSP X-Pipe – Stainless crossover to balance tone and flow\u003c\/div\u003e\n\u003cdiv\u003eSleeve Clamp Adapters – Seamless connection to cat-back section\u003c\/div\u003e\n\u003cdiv\u003eTSP Valved Cat-Back System – Valve actuators and controller included\u003c\/div\u003e\n\u003cdiv\u003e4” TSP Swivel Exhaust Tips – Choice of black or polished finish\u003c\/div\u003e\n\u003cdiv\u003eTSP Multi-Layer Header Gaskets – Designed for a leak-free seal\u003c\/div\u003e\n\u003cdiv\u003eO2 Sensor Extension Harnesses – Plug-and-play compatibility with factory harness\u003c\/div\u003e\n\u003cdiv\u003eAll Required Clamps and Hardware – Complete bolt-on installation\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cstrong\u003eHeader Specs \u0026amp; Design:\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003eMaterial: T304 stainless steel construction throughout\u003c\/div\u003e\n\u003cdiv\u003ePrimary Size: 1-7\/8” mandrel bent runners\u003c\/div\u003e\n\u003cdiv\u003eOutlet: 3” collectors for increased downstream flow\u003c\/div\u003e\n\u003cdiv\u003eWelding: Precision TIG-welded for strength and appearance\u003c\/div\u003e\n\u003cdiv\u003eCatalytic Converters: Included – high flow, stainless body\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cstrong\u003eCat-Back Specs \u0026amp; Features:\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003eFull 3” Mandrel-Bent Tubing: From mid-pipe to tips\u003c\/div\u003e\n\u003cdiv\u003eValve Control: Open or close the exhaust valves on command\u003c\/div\u003e\n\u003cdiv\u003eTip Options: 4” TSP swivel tips in black or polished stainless\u003c\/div\u003e\n\u003cdiv\u003eMounting: Utilizes factory hanger locations for easy install\u003c\/div\u003e\n\u003cdiv\u003eSleeve Clamps: Leak-free and adjustable fitment throughout\u003c\/div\u003e\n\u003cdiv\u003e\u003cstrong\u003eInstallation Notes:\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003eDirect Bolt-On System: No cutting or welding required\u003c\/div\u003e\n\u003cdiv\u003ePassenger-Side Stud: A heat shield stud may need to be trimmed flush with the nut for clearance\u003c\/div\u003e\n\u003cdiv\u003eFrom front to back, the TSP Valved Full Exhaust Kit is designed for power, fitment, and full control over sound. Whether you're cruising quietly or roaring wide open, this kit delivers the best of both worlds — backed by premium construction and a perfect fit.\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Texas Speed","offers":[{"title":"Chrome \/ TSP Valve Controller","offer_id":48150678339842,"sku":"TSP-S197FS-V+TSP-S197LTHKIT+TSP-5392-030+TSP-S197O2ExtPkg+TSP-S197XPipeSection+TSP-S197AB-Valved+TSP-CHRMTIP+TSP-591209-37-BRP","price":2099.97,"currency_code":"USD","in_stock":true},{"title":"Chrome \/ ECS Valve Controller w\/ Vacuum Pump","offer_id":50816112296194,"sku":"TSP-S197FS-V+TSP-S197LTHKIT+TSP-5392-030+TSP-S197O2ExtPkg+TSP-S197XPipeSection+TSP-S197AB-Valved+TSP-CHRMTIP+ECS-VALVEVAC-CTRL-KIT","price":2099.97,"currency_code":"USD","in_stock":true},{"title":"Black Chrome \/ TSP Valve Controller","offer_id":50816112328962,"sku":"TSP-S197FS-V+TSP-S197LTHKIT+TSP-5392-030+TSP-S197O2ExtPkg+TSP-S197XPipeSection+TSP-S197AB-Valved+TSP-BLKCHRMTIP+TSP-591209-37-BRP","price":2099.97,"currency_code":"USD","in_stock":true},{"title":"Black Chrome \/ ECS Valve Controller w\/ Vacuum Pump","offer_id":50816112361730,"sku":"TSP-S197FS-V+TSP-S197LTHKIT+TSP-5392-030+TSP-S197O2ExtPkg+TSP-S197XPipeSection+TSP-S197AB-Valved+TSP-BLKCHRMTIP+ECS-VALVEVAC-CTRL-KIT","price":2099.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/0618\/0354\/files\/26516.png?v=1785028575","url":"https:\/\/www.lethalperformance.com\/products\/texas-speed-full-header-back-catted-system-valved-2011-2014-mustang-gt-tsp-s197fs-v","provider":"Lethal Performance","version":"1.0","type":"link"}