{"product_id":"flowmaster-67-70-mustang-american-thunder-under-valnce-ss-crossmember-back-exhaust-system","title":"Flowmaster 67-70 Mustang American Thunder UNDER VALNCE SS Crossmember-Back Exhaust System","description":"For the person who is looking for a true dual Crossmember-Back exhaust system with an moderate to aggressive exhaust tone. With an easy fit in mind, these systems are constructed from 16-gauge mandrel-bent stainless steel tubing with a built-in H-pipe crossover, a pair of specially selected Super 44 Series mufflers and includes all hangers and hardware necessary for installation. The American Thunder systems deliver a moderate to aggressive interior and exterior tone and are best suited to the enthusiast who wants their performance to be heard. The tailpipes in this system exit under the rear valance with a turn-down in the tailpipes. Like all Flowmaster exhaust systems, the benefits include improved throttle response, power and mileage. If you prefer aluminized steel construction, check out optional system# 17282.\n1967-1970 Ford Mustang with V8 engine, 2.5\" 409 Stainless Steel Pipes - Aggressive to moderate sound\n\"Does not fit convertibles, staggered shock models, or cars with exhaust cutouts in the rear valance.\n\u003cul\u003e\n  \u003cli\u003eDoes Not Include Header Reducers or Downpipes for Factory Manifolds\u003c\/li\u003e\n  \u003cli\u003eH-pipe Crossover for Maximum Power and Deep Tone\u003c\/li\u003e\n  \u003cli\u003eSuper 44 Series Mufflers for Deep Powerful Sound\u003c\/li\u003e\n  \u003cli\u003eIncludes Hangers and Hardware for Installation\u003c\/li\u003e\n  \u003cli\u003eMandrel-bent 16-gauge Stainless Steel Tubing\u003c\/li\u003e\n  \u003cli\u003eModerate to Aggressive Exterior Exhaust Tone\u003c\/li\u003e\n  \u003cli\u003eCrossmember-Back True Dual Exhaust System\u003c\/li\u003e\n  \u003cli\u003eLifetime Limited Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\n1967 Ford Mustang\u003cbr\u003e\n1968 Ford Mustang\u003cbr\u003e\n1969 Ford Mustang\u003cbr\u003e\n1970 Ford Mustang\u003cbr\u003e\n\u003cbr\u003e\n\u003cbr\u003e\nAir Freight Prohibited: false\u003cbr\u003e\nNot Carb Approved: false\u003cbr\u003e\nCarb Acknowledgement Required: true\u003cbr\u003e\nLtl Freight Required: false\u003cbr\u003e\nProp 65: Y\u003cbr\u003e\nPart Type: automotive\u003cbr\u003e\nEpa: N\/A\u003cbr\u003e\nUnits Per Sku: 1","brand":"Flowmaster","offers":[{"title":"Default Title","offer_id":49295430779099,"sku":"flo817282","price":1065.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0797\/8559\/1003\/files\/7b2c5f0a91886e0c217f2ef7ff20a5adL.jpg?v=1789162186","url":"https:\/\/hnbperformance.com\/products\/flowmaster-67-70-mustang-american-thunder-under-valnce-ss-crossmember-back-exhaust-system","provider":"Hellnback Offroad \u0026 Performance","version":"1.0","type":"link"}