{"product_id":"granatelli-dual-2-5-vacuum-pressure-controlled-exhaust-cutout-kit-stainless-steel-weld-in-309625k","title":"Granatelli Dual 2.5\" Vacuum\/Pressure-Controlled Exhaust Cutout Kit, Stainless Steel Weld-In – 309625K","description":"\u003ch2\u003e\u003cstrong\u003eGranatelli Dual 2.5\" Vacuum\/Pressure-Controlled Exhaust Cutout Kit – Stainless Steel Weld-In\u003c\/strong\u003e\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eSKU: 309625K\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOpen or close your exhaust from anywhere in the cab with the Granatelli 309625K vacuum\/pressure-controlled exhaust cutout kit. A wireless remote signals the vacuum control box, and the included vacuum pump drives two cutouts open or closed. Because the kit supplies its own vacuum, it doesn't depend on engine vacuum, so it works the same on boosted engines and big-cam builds. This dual kit includes a cutout for each side of a true dual exhaust.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWireless remote control:\u003c\/strong\u003e Open or close the cutout from the driver's seat.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded vacuum pump:\u003c\/strong\u003e No engine vacuum required, so performance doesn't change with boost or cam choice.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVacuum control box, lines and fittings:\u003c\/strong\u003e Everything needed to plumb the system is in the kit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCNC-machined 6061 aluminum body:\u003c\/strong\u003e With a stainless steel butterfly plate and shaft.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolished 45° turndown with 360° V-band clamp:\u003c\/strong\u003e Rotate the exit to clear lines, the floor and tires.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeld-in installation:\u003c\/strong\u003e Welds into your exhaust for a permanent, leak-free joint.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h3\u003e\u003ctable border=\"1\" cellpadding=\"6\" cellspacing=\"0\"\u003e\n\u003ctr\u003e\n\u003cth\u003eAttribute\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCutout size\u003c\/td\u003e\n\u003ctd\u003e2.5\" (63 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConfiguration\u003c\/td\u003e\n\u003ctd\u003eDual (one cutout per side)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl\u003c\/td\u003e\n\u003ctd\u003eWireless remote and vacuum control box\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVacuum source\u003c\/td\u003e\n\u003ctd\u003eIncluded vacuum pump\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003eCNC-machined 6061 aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eButterfly plate and shaft\u003c\/td\u003e\n\u003ctd\u003eStainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTurndown\u003c\/td\u003e\n\u003ctd\u003ePolished stainless steel, 45°, 360° adjustable V-band clamp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation\u003c\/td\u003e\n\u003ctd\u003eWeld-in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKit includes\u003c\/td\u003e\n\u003ctd\u003eTwo cutouts, turndowns, V-band clamps, vacuum pump, vacuum control box, wireless remote, vacuum lines and fittings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch3 style=\"margin-bottom:10px; color:#666666;\"\u003eSizing \u0026amp; Fitment\u003c\/h3\u003e\u003cp\u003eMeasure the outside diameter of your exhaust pipe at the mounting point. If it measures 2.5\", this kit is the right match. This dual kit is for true dual exhaust systems, one cutout per side. Single exhaust? Choose the \u003ca href=\"\/products\/granatelli-vacuum-pressure-controlled-electronic-exhaust-cutout-309625\"\u003esingle 309625 kit\u003c\/a\u003e. Can't weld? The \u003ca href=\"\/products\/granatelli-vacuum-pressure-controlled-309525k\"\u003e309525K slip-fit version\u003c\/a\u003e installs with clamps.\u003c\/p\u003e\u003chr\u003e\u003ch3 style=\"margin-bottom:10px; color:#666666;\"\u003eWhere to Mount It\u003c\/h3\u003e\u003cp\u003eMount the cutout at least 18 to 24 inches after the catalytic converters, and away from any O2 sensor. Aim the turndown toward the rocker panel, away from fuel and brake lines. For the best sound, mount it after the X-pipe or H-pipe. Route the vacuum lines away from the exhaust so heat can't damage them.\u003c\/p\u003e\u003chr\u003e\u003ch3 style=\"margin-bottom:10px; color:#666666;\"\u003eLegal Note\u003c\/h3\u003e\u003cp\u003eMany states, including California, prohibit exhaust cutouts on vehicles driven on public roads. Keep the cutout closed on the street and open it only at sanctioned off-highway events. Never install a cutout upstream of a catalytic converter.\u003c\/p\u003e\u003chr\u003e\u003ch3 style=\"margin-bottom:10px; color:#666666;\"\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eHow is it controlled?\u003c\/strong\u003e\u003cbr\u003eWith a wireless remote that operates the vacuum control box, so you can open or close the cutout from the driver's seat.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it need engine vacuum?\u003c\/strong\u003e\u003cbr\u003eNo. The kit includes its own vacuum pump, so it works the same on boosted, big-cam and low-vacuum engines.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eVacuum or electric: which should I choose?\u003c\/strong\u003e\u003cbr\u003eBoth open and close from the cab. The vacuum kit uses a wireless remote and its own pump; the electric kit uses a motor on the cutout and a one-touch rocker switch. Compare the \u003ca href=\"\/products\/i-30499984-granatellimotor-sportselectronic-exhaust-cutout-kit-307525k-stainless-steel-weld-in-2-50\"\u003eelectric 307525K kit\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I install it myself?\u003c\/strong\u003e\u003cbr\u003eWeld-in kits need welding equipment or a muffler shop. Prefer to clamp it on? The \u003ca href=\"\/products\/granatelli-vacuum-pressure-controlled-309525k\"\u003e309525K\u003c\/a\u003e is a slip-fit version.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's the warranty?\u003c\/strong\u003e\u003cbr\u003e90 days, with optional 1-, 2- or 3-year extended coverage available at checkout.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill it add horsepower?\u003c\/strong\u003e\u003cbr\u003eOpening the cutout reduces backpressure. Gains depend on your engine, headers and tune.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNew to cutouts?\u003c\/strong\u003e Read our \u003ca href=\"\/blogs\/news\/2-5-inch-exhaust-cutout-guide\"\u003e2.5 Inch Exhaust Cutout Guide\u003c\/a\u003e for choosing the right size and type, mounting and state laws.\u003c\/p\u003e\u003chr\u003e\u003ch3 style=\"margin-bottom:10px; color:#666666;\"\u003eWhy Choose Granatelli Motor Sports?\u003c\/h3\u003e\u003cp\u003eGranatelli Motor Sports develops performance components for real-world street, street\/strip, race, and custom applications, with an emphasis on practical performance, dependable construction, and integration into serious automotive builds.\u003c\/p\u003e","brand":"Granatelli Motor Sports","offers":[{"title":"Default Title","offer_id":67645148889133,"sku":"309625K","price":307.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0646\/2780\/2157\/files\/F198649476.webp?v=1791808221","url":"https:\/\/shopmontgomerymarketplace.com\/products\/granatelli-dual-2-5-vacuum-pressure-controlled-exhaust-cutout-kit-stainless-steel-weld-in-309625k","provider":"Montgomery Marketplace","version":"1.0","type":"link"}