{"product_id":"wehrli-2-75in-x-3in-id-straight-reducer-4-5in-long-silicone-boot-and-clamp-kit","title":"Wehrli 2.75 to 3 Inch Silicone Reducer Boot and Clamp Kit","description":"\u003ch4\u003eSeal a 2.75-Inch to 3-Inch Charge-Air Connection\u003c\/h4\u003e\n\u003cp\u003eWehrli WCF207-103 combines a reinforced 2.75-inch to 3-inch inside-diameter silicone reducer with the two matching T-bolt clamps needed for a secure transition. The 4.5-inch overall length is cataloged as a replacement connection for multiple WCFab intercooler-pipe and high-flow intake kits.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eTransitions from a 2.75-inch inside diameter to a 3-inch inside diameter\u003c\/li\u003e\n\u003cli\u003e4.5-inch straight reducer length for a stable overlap on adjoining pipes\u003c\/li\u003e\n\u003cli\u003eReinforced silicone construction suited to turbocharged charge-air plumbing\u003c\/li\u003e\n\u003cli\u003eIncludes one clamp sized for each end of the reducer\u003c\/li\u003e\n\u003cli\u003eT-bolt clamp design supports even clamping pressure around the connection\u003c\/li\u003e\n\u003cli\u003eManufacturer-listed replacement component for selected WCFab kits\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eFitment Type\u003c\/th\u003e\n\u003cth\u003eConnection Size\u003c\/th\u003e\n\u003cth\u003eManufacturer-Listed Applications\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eUniversal by dimensions\u003c\/td\u003e\n\u003ctd\u003e2.75-inch ID to 3-inch ID\u003c\/td\u003e\n\u003ctd\u003eSelected WCFab 2017-2024 L5P Duramax and 2003-2007 5.9L Cummins charge-air kits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eConfirm both pipe outside diameters, available straight engagement length, operating temperature, pressure requirements, and surrounding clearance. Vehicle year and model alone do not establish fitment for a universal reducer.\u003c\/p\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eWehrli Custom Fabrication\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer Part Number\u003c\/td\u003e\n\u003ctd\u003eWCF207-103\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eSilicone reducer boot and clamp kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSmall-End Inside Diameter\u003c\/td\u003e\n\u003ctd\u003e2.75 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLarge-End Inside Diameter\u003c\/td\u003e\n\u003ctd\u003e3 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall Length\u003c\/td\u003e\n\u003ctd\u003e4.5 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBoot Material\u003c\/td\u003e\n\u003ctd\u003eReinforced silicone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClamp Type\u003c\/td\u003e\n\u003ctd\u003eT-bolt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eWhat's Included\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eOne 2.75-inch to 3-inch ID straight silicone reducer boot with WCFab logo\u003c\/li\u003e\n\u003cli\u003eOne 3-inch T-bolt clamp\u003c\/li\u003e\n\u003cli\u003eOne 2.75-inch T-bolt clamp\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eAbout Wehrli\u003c\/h4\u003e\n\u003cp\u003eWehrli Custom Fabrication develops diesel-truck intake, charge-air, cooling, exhaust, suspension, and engine-bay components in the United States. Replacement boots and clamps are cataloged by exact dimensions and kit application, making careful measurement the most reliable way to confirm compatibility.\u003c\/p\u003e\n\u003ch4\u003eRelated Parts\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/wehrli-17-19-chevrolet-6-6l-l5p-duramax-driver-side-3in-intercooler-pipe-gloss-black\"\u003eWehrli 2017-2019 L5P Duramax 3-inch driver-side intercooler pipe kit\u003c\/a\u003e - one of the WCFab kit families for which this reducer size is manufacturer-listed as a replacement connection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFAQ\u003c\/h4\u003e\n\u003cstrong\u003eWhat is the WCF207-103?\u003c\/strong\u003e\u003cp\u003eIt is a Wehrli 2.75-inch to 3-inch inside-diameter straight silicone reducer boot supplied with matching T-bolt clamps.\u003c\/p\u003e\n\u003cstrong\u003eIs this reducer vehicle-specific?\u003c\/strong\u003e\u003cp\u003eNo. It is selected primarily by pipe diameter, engagement length, pressure, temperature, and clearance, although WCFab lists it for specific replacement-kit applications.\u003c\/p\u003e\n\u003cstrong\u003eHow long is the silicone boot?\u003c\/strong\u003e\u003cp\u003eThe manufacturer lists an overall length of 4.5 inches.\u003c\/p\u003e\n\u003cstrong\u003eAre both clamps included?\u003c\/strong\u003e\u003cp\u003eYes. The kit includes one 3-inch T-bolt clamp and one 2.75-inch T-bolt clamp.\u003c\/p\u003e\n\u003cstrong\u003eCan this replace a straight 3-inch coupler?\u003c\/strong\u003e\u003cp\u003eNo. This is a reducer with different inside diameters at each end and should only be used where that transition is required.\u003c\/p\u003e\n\u003cstrong\u003eWill it fit any 2.75-inch and 3-inch pipes?\u003c\/strong\u003e\u003cp\u003eNot automatically. Confirm the actual pipe outside diameters, bead locations, available overlap, and system operating conditions before installation.\u003c\/p\u003e\n\u003cstrong\u003eWhich side faces the turbo or intercooler?\u003c\/strong\u003e\u003cp\u003eOrientation depends on the pipe layout. Install the smaller and larger ends on the matching pipe diameters without twisting or side-loading the boot.\u003c\/p\u003e\n\u003cstrong\u003eShould the clamps be reused after removal?\u003c\/strong\u003e\u003cp\u003eInspect the clamp bands, bolts, and threads before reuse. Replace any clamp that is distorted, damaged, or unable to hold the specified tension.\u003c\/p\u003e\n\u003ch4\u003eInstallation Instructions\u003c\/h4\u003e\n\u003col\u003e\n\u003cli\u003eMeasure both pipe outside diameters and verify the required reducer length.\u003c\/li\u003e\n\u003cli\u003eAllow the charge-air system to cool, then remove the existing boot and clamps.\u003c\/li\u003e\n\u003cli\u003eClean oil residue and debris from the pipe ends without damaging sealing beads.\u003c\/li\u003e\n\u003cli\u003eSlide the loose T-bolt clamps over the correct ends of the silicone reducer.\u003c\/li\u003e\n\u003cli\u003eSeat the reducer evenly over both pipes with adequate overlap beyond each bead.\u003c\/li\u003e\n\u003cli\u003ePosition each clamp squarely behind the pipe bead and away from the reducer edge.\u003c\/li\u003e\n\u003cli\u003eTighten the clamps evenly to the current WCFab or clamp-manufacturer specification.\u003c\/li\u003e\n\u003cli\u003eStart the engine, pressurize the charge-air system as appropriate, and inspect for movement or leaks.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eCalifornia Proposition 65 Warning:\u003c\/strong\u003e This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.\u003c\/p\u003e","brand":"Wehrli","offers":[{"title":"Default Title","offer_id":67828031684687,"sku":"WCFWCF207-103","price":62.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/wehrli-wcf207-103-product-1.webp?v=1792682224","url":"https:\/\/www.blackopsautoworks.com\/products\/wehrli-2-75in-x-3in-id-straight-reducer-4-5in-long-silicone-boot-and-clamp-kit","provider":"Black Ops Auto Works","version":"1.0","type":"link"}