{"product_id":"gibson-65665","title":"Gibson 14-18 GMC Sierra 1500 Denali 6.2L 3.5in\/2.25in Cat-Back Dual Extreme Exhaust - Stainless","description":"\u003cp\u003eFor the extremist who wants to take their truck to the next level, this dual bolt-on Cat back system is for you. This system exists behind the rear tires at an aggressive angle with a powerful exhaust tone. You will gain bold street looks with powerful dyno tuned and tested street performance gains. You can expect to experience gains on average of 15-20 horsepower. Gibson muffler provides a mean performance sound and complemented with polished Stainless Tip. Easy bolt-on installation. No welding required. Backed by a Lifetime Limited Warranty. If you want Extreme, this system is it.\u003c\/p\u003e\u003cp\u003eGenuine Gibson. Part number 65665.\u003c\/p\u003e\u003cp\u003eImported to order from our US supply partner — allow 7-14 days delivery.\u003c\/p\u003e","brand":"Gibson","offers":[{"title":"Default Title","offer_id":62162908414339,"sku":"65665","price":819.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1018\/6506\/2787\/files\/337a1bbaa168a6ed28c246f8f5bef693_8457e0fc-6689-4d17-b9ab-07ebb653cf25.jpg?v=1785034987","url":"https:\/\/www.mlperformance.co.uk\/products\/gibson-65665","provider":"ML Performance","version":"1.0","type":"link"}