{"product_id":"granatelli-mating-flat-exhaust-flange-308540-m","title":"Mating Flat Exhaust Flange – 308540-M - Granatelli Motor Sports","description":"\u003cdiv class=\"gms-vband-product\"\u003e\n\u003c!-- HERO \/ HOOK --\u003e\n\u003cdiv style=\"border: 2px solid #777777; border-radius: 12px; padding: 26px; margin-bottom: 20px; background: #f0f0f0; box-shadow: 0 4px 12px rgba(0,0,0,0.07);\"\u003e\n\u003cp style=\"font-size: 13px; font-weight: 900; letter-spacing: 1.5px; color: #555555; margin: 0 0 7px 0;\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2 style=\"font-size: 27px; line-height: 1.3; font-weight: 900; color: #111111; margin: 0 0 10px 0;\"\u003e4-INCH EXHAUST SYSTEMS DESERVE A CLEAN, SERVICEABLE CONNECTION.\u003c\/h2\u003e\n\u003cp style=\"font-size: 16px; line-height: 1.7; color: #222222; margin: 0 0 10px 0;\"\u003eThe \u003cstrong\u003eGranatelli Motor Sports 308540-M 4.0\" V-Band Mating Flat Flange Kit\u003c\/strong\u003e provides a reliable, removable connection for custom exhaust systems, performance applications and fabrication projects using compatible \u003cstrong\u003e4-inch (102mm) exhaust tubing\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp style=\"font-size: 15px; line-height: 1.7; color: #222222; margin: 0;\"\u003eFeaturing \u003cstrong\u003emating flat flanges and a V-band clamp\u003c\/strong\u003e, this kit is designed to create a convenient connection point that can be assembled and disassembled more easily than traditional multi-bolt exhaust flange setups.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- QUICK SPECS --\u003e\n\u003ctable style=\"width: 100%; border-collapse: separate; border-spacing: 9px; margin: 0 0 20px 0;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25%; padding: 17px 12px; border: 2px solid #888888; border-radius: 10px; background: #ededed; text-align: center; vertical-align: top;\"\u003e\n\u003cdiv style=\"font-size: 20px; font-weight: 900; color: #111111;\"\u003e4.0\"\u003c\/div\u003e\n\u003cdiv style=\"font-size: 13px; margin-top: 4px;\"\u003e102MM SIZE\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 25%; padding: 17px 12px; border: 2px solid #888888; border-radius: 10px; background: #e9e9e9; text-align: center; vertical-align: top;\"\u003e\n\u003cdiv style=\"font-size: 18px; font-weight: 900; color: #111111;\"\u003eSTEEL\u003c\/div\u003e\n\u003cdiv style=\"font-size: 13px; margin-top: 4px;\"\u003eCLAMP MATERIAL\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 25%; padding: 17px 12px; border: 2px solid #888888; border-radius: 10px; background: #e6ebed; text-align: center; vertical-align: top;\"\u003e\n\u003cdiv style=\"font-size: 18px; font-weight: 900; color: #111111;\"\u003eFLAT MATING\u003c\/div\u003e\n\u003cdiv style=\"font-size: 13px; margin-top: 4px;\"\u003eFLANGE STYLE\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 25%; padding: 17px 12px; border: 2px solid #888888; border-radius: 10px; background: #ededed; text-align: center; vertical-align: top;\"\u003e\n\u003cdiv style=\"font-size: 18px; font-weight: 900; color: #111111;\"\u003eCOMPLETE KIT\u003c\/div\u003e\n\u003cdiv style=\"font-size: 13px; margin-top: 4px;\"\u003eCLAMP + FLANGES\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c!-- WHY V-BAND --\u003e\n\u003cdiv style=\"border: 2px solid #8c8c8c; border-radius: 12px; padding: 21px 22px; margin-bottom: 20px; background: #eeeeee;\"\u003e\n\u003ch3 style=\"font-size: 21px; font-weight: 900; color: #111111; margin: 0 0 9px 0;\"\u003eWhy Use a V-Band Connection?\u003c\/h3\u003e\n\u003cp style=\"font-size: 15px; line-height: 1.7; color: #222222; margin: 0;\"\u003eA V-band connection provides a practical way to create a \u003cstrong\u003eremovable exhaust joint\u003c\/strong\u003e without relying on multiple individual bolts and nuts. The clamp secures the mating flanges together, making the connection especially useful for exhaust sections that may need to be removed for servicing, repairs, fabrication or future modifications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- FLAT FLANGE DESIGN --\u003e\n\u003cdiv style=\"border: 2px solid #8c8c8c; border-radius: 12px; padding: 21px 22px; margin-bottom: 20px; background: #e9e9e9;\"\u003e\n\u003cp style=\"font-size: 12px; font-weight: 900; letter-spacing: 1.4px; color: #555555; margin: 0 0 5px 0;\"\u003eFLAT MATING FLANGE DESIGN\u003c\/p\u003e\n\u003ch3 style=\"font-size: 21px; font-weight: 900; color: #111111; margin: 0 0 8px 0;\"\u003eSimple, Clean \u0026amp; Serviceable\u003c\/h3\u003e\n\u003cp style=\"font-size: 15px; line-height: 1.7; color: #222222; margin: 0;\"\u003eThe \u003cstrong\u003eflat mating flange configuration\u003c\/strong\u003e provides a straightforward connection point for custom exhaust fabrication. Once properly positioned and welded to compatible tubing, the mating flanges create a secure connection that can be quickly separated using the included V-band clamp.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- 4-INCH APPLICATION --\u003e\n\u003cdiv style=\"border: 2px solid #8c8c8c; border-radius: 12px; padding: 21px 22px; margin-bottom: 20px; background: #ededed;\"\u003e\n\u003ch3 style=\"font-size: 21px; font-weight: 900; color: #111111; margin: 0 0 9px 0;\"\u003eDesigned for 4-Inch Exhaust Systems\u003c\/h3\u003e\n\u003cp style=\"font-size: 15px; line-height: 1.7; color: #222222; margin: 0;\"\u003eWith a \u003cstrong\u003e4.0-inch (102mm) pipe diameter\u003c\/strong\u003e, the Granatelli 308540-M is designed for larger performance exhaust systems and custom fabrication projects. Its universal configuration makes it suitable for custom automotive, diesel, marine and industrial applications where a 4-inch V-band connection is required.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- BEST FOR --\u003e\n\u003cdiv style=\"border: 2px solid #8c8c8c; border-radius: 12px; padding: 21px 22px; margin-bottom: 20px; background: #ededed;\"\u003e\n\u003ch3 style=\"font-size: 21px; font-weight: 900; color: #111111; margin: 0 0 12px 0;\"\u003eBest For\u003c\/h3\u003e\n\u003cp style=\"font-size: 15px; line-height: 1.85; color: #222222; margin: 0;\"\u003e✓ 4-inch exhaust systems   •   ✓ Custom exhaust fabrication   •   ✓ Performance vehicles   •   ✓ Turbocharged applications   •   ✓ Diesel applications   •   ✓ Race-car exhaust systems   •   ✓ Removable exhaust sections   •   ✓ Marine applications   •   ✓ Industrial fabrication\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- WHAT'S INCLUDED --\u003e\n\u003cdiv style=\"border: 2px solid #858585; border-radius: 12px; padding: 20px 22px; margin-bottom: 20px; background: #e5e5e5;\"\u003e\n\u003cp style=\"font-size: 12px; font-weight: 900; letter-spacing: 1.4px; color: #555555; margin: 0 0 6px 0;\"\u003eCOMPLETE V-BAND KIT\u003c\/p\u003e\n\u003ch3 style=\"font-size: 21px; font-weight: 900; color: #111111; margin: 0 0 10px 0;\"\u003eWhat's Included\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: separate; border-spacing: 7px;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 33.33%; padding: 12px; border: 1px solid #aaa; border-radius: 8px; background: #f8f8f8; text-align: center;\"\u003e\u003cstrong\u003e1 V-Band Clamp\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 33.33%; padding: 12px; border: 1px solid #aaa; border-radius: 8px; background: #f8f8f8; text-align: center;\"\u003e\u003cstrong\u003eFlat Mating Flange\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 33.33%; padding: 12px; border: 1px solid #aaa; border-radius: 8px; background: #f8f8f8; text-align: center;\"\u003e\u003cstrong\u003eMatching Flange\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"font-size: 14px; line-height: 1.6; color: #555555; margin: 12px 0 0 0;\"\u003e\u003cstrong\u003eKit includes the V-band clamp and flat mating flanges.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- FABRICATION APPLICATION --\u003e\n\u003cdiv style=\"border: 2px solid #8c8c8c; border-radius: 12px; padding: 21px 22px; margin-bottom: 20px; background: #eeeeee;\"\u003e\n\u003ch3 style=\"font-size: 21px; font-weight: 900; color: #111111; margin: 0 0 9px 0;\"\u003eBuilt for Custom Exhaust Fabrication\u003c\/h3\u003e\n\u003cp style=\"font-size: 15px; line-height: 1.7; color: #222222; margin: 0;\"\u003eThe \u003cstrong\u003eGranatelli 308540-M\u003c\/strong\u003e is intended for fabrication projects using \u003cstrong\u003e4-inch exhaust tubing\u003c\/strong\u003e. It can be incorporated into custom exhaust systems, turbo applications, diesel performance builds, race vehicles and other projects requiring a removable V-band connection.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- FITMENT --\u003e\n\u003cdiv style=\"border: 2px solid #8c8c8c; border-radius: 12px; padding: 21px 22px; margin-bottom: 20px; background: #e9e9e9;\"\u003e\n\u003cp style=\"font-size: 12px; font-weight: 900; letter-spacing: 1.4px; color: #555555; margin: 0 0 5px 0;\"\u003eAPPLICATION \u0026amp; FITMENT\u003c\/p\u003e\n\u003ch3 style=\"font-size: 21px; font-weight: 900; color: #111111; margin: 0 0 8px 0;\"\u003eUniversal 4-Inch Fabrication Fitment\u003c\/h3\u003e\n\u003cp style=\"font-size: 15px; line-height: 1.7; color: #222222; margin: 0;\"\u003eThis is a \u003cstrong\u003euniversal fabrication component\u003c\/strong\u003e intended for custom applications using \u003cstrong\u003e4.0-inch (102mm) exhaust tubing\u003c\/strong\u003e. It is not a vehicle-specific direct-fit replacement. Always verify tubing diameter, flange dimensions, connection orientation and available clearance before installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- VEHICLE APPLICATIONS --\u003e\n\u003cdiv style=\"border: 2px solid #8c8c8c; border-radius: 12px; padding: 21px 22px; margin-bottom: 20px; background: #eeeeee;\"\u003e\n\u003cp style=\"font-size: 12px; font-weight: 900; letter-spacing: 1.4px; color: #555555; margin: 0 0 5px 0;\"\u003eVEHICLE APPLICATIONS\u003c\/p\u003e\n\u003ch3 style=\"font-size: 21px; font-weight: 900; color: #111111; margin: 0 0 9px 0;\"\u003eCars, Trucks, Diesel \u0026amp; Custom Performance Builds\u003c\/h3\u003e\n\u003cp style=\"font-size: 15px; line-height: 1.7; color: #222222; margin: 0 0 10px 0;\"\u003eThe 308540-M is a \u003cstrong\u003euniversal fabrication component\u003c\/strong\u003e rather than a vehicle-specific bolt-on part. It can be incorporated into compatible custom exhaust systems when 4-inch tubing and matching flange dimensions are used.\u003c\/p\u003e\n\u003cp style=\"font-size: 15px; line-height: 1.7; color: #222222; margin: 0;\"\u003eCommon applications include \u003cstrong\u003eperformance cars, diesel trucks, race vehicles, turbocharged builds, off-road vehicles, marine systems and industrial equipment\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- PRODUCT SPECS --\u003e\n\u003cdiv style=\"border: 2px solid #888888; border-radius: 12px; padding: 22px; margin-bottom: 20px; background: #efefef;\"\u003e\n\u003ch3 style=\"font-size: 21px; font-weight: 900; color: #111111; margin: 0 0 12px 0;\"\u003eProduct Specifications\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; background: #fafafa;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #e3e3e3;\"\u003e\n\u003ctd style=\"width: 42%; padding: 10px; border: 1px solid #aaa;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #aaa;\"\u003eGranatelli Motor Sports\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #aaa;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #aaa;\"\u003e308540-M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #e3e3e3;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #aaa;\"\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #aaa;\"\u003eV-Band Clamp \u0026amp; Mating Flat Flange Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #aaa;\"\u003e\u003cstrong\u003ePipe Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #aaa;\"\u003e\u003cstrong\u003e4.0 Inches (102mm)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #e3e3e3;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #aaa;\"\u003e\u003cstrong\u003eFlange Style\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #aaa;\"\u003e\u003cstrong\u003eFlat Mating Flanges\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #aaa;\"\u003e\u003cstrong\u003eClamp Style\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #aaa;\"\u003eV-Band\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #e3e3e3;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #aaa;\"\u003e\u003cstrong\u003eClamp Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #aaa;\"\u003e\u003cstrong\u003eSteel\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #aaa;\"\u003e\u003cstrong\u003eClamp Color\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #aaa;\"\u003eNatural\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #e3e3e3;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #aaa;\"\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #aaa;\"\u003eUniversal Fabrication Application\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #aaa;\"\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #aaa;\"\u003eSold as a Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #e3e3e3;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #aaa;\"\u003e\u003cstrong\u003eUPC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #aaa;\"\u003e802735037661\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #aaa;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #aaa;\"\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c!-- FABRICATION NOTE --\u003e\n\u003cdiv style=\"border: 2px solid #ad9642; border-radius: 12px; background: #f5edcf; padding: 18px 20px;\"\u003e\n\u003cstrong\u003eFITMENT \u0026amp; FABRICATION NOTE:\u003c\/strong\u003e This is a universal exhaust fabrication component designed for \u003cstrong\u003e4.0-inch (102mm) exhaust systems\u003c\/strong\u003e. Verify tubing diameter, flange dimensions, available clearance and connection orientation before installation. Proper flange alignment and professional fabrication practices are recommended for a secure and leak-resistant connection.\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Granatelli Motor Sports","offers":[{"title":"Default Title","offer_id":56799872680076,"sku":"308540-M","price":53.42,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0384\/8208\/3980\/files\/F198646257.png?v=1788814213","url":"https:\/\/fiperformance.com\/products\/granatelli-mating-flat-exhaust-flange-308540-m","provider":"FI Performance","version":"1.0","type":"link"}