Availability
Flowtech Headers, Mufflers & More
Flowtech headers, mufflers, and exhaust systems deliver the sound and power your performance machine demands! From full-length headers for classic muscle cars to turbo-back...
Flowtech headers, mufflers, and exhaust systems deliver the sound and power your performance machine demands! From full-length headers for classic muscle cars to turbo-back exhaust systems for late model vehicles, Flowtech make exhaust products for a wide range of applications. Summit Racing offers the complete line of Flowtech mufflers, including its popular Raptor mufflers and Afterburner mufflers. Plus, we’ve got long-tube and shorty headers, Flowtech cat-back and turbo-back exhaust systems, crossover pipes, exhaust gaskets, exhaust tips, and more. For enhanced power with a performance sound, go with the flow—Flowtech!
Flowtech headers, mufflers, and exhaust systems deliver the sound and power your performance machine demands! From full-length headers for classic muscle cars to turbo-back exhaust systems for late model vehicles, Flowtech make exhaust products for a wide range of applications. Summit Racing offers the complete line of Flowtech mufflers, including its popular Raptor mufflers and Afterburner mufflers. Plus, we’ve got long-tube and shorty headers, Flowtech cat-back and turbo-back exhaust systems, crossover pipes, exhaust gaskets, exhaust tips, and more. For enhanced power with a performance sound, go with the flow—Flowtech!
Headers, Block Hugger, Stainless, Polished, 2.5 in. Collector, D-port, Street Rod, Chevy Small Block, Pair
Part Number: BIG-11705-7FLT
Estimated Ship Date: Today
Estimated Ship Date: Today
Headers, Block Hugger, Steel, Ceramic Coated, Chevy, Small Block, Pair
Part Number: BIG-31000FLT
Estimated Ship Date: May 6, 2026 if ordered today
Estimated Ship Date: May 6, 2026 if ordered today
Header Extensions, Hugger Toobs, Steel, Natural, 2 1/2 in. Collector, Pair
Part Number: BIG-10010FLT
Estimated Ship Date: Today
Estimated Ship Date: Today
Headers, Block Hugger, Steel, 2.5 in. Collector, Round Port, Street Rod, Chevy Small Block LS, Pair
Part Number: BIG-11706FLT
Estimated Ship Date: May 6, 2026 if ordered today
Estimated Ship Date: May 6, 2026 if ordered today
Headers, Block Hugger, Steel, Silver Ceramic Coated, Round Port, Street Rod, Chevy Small Block LS, Pair
Part Number: BIG-11706-1FLT
Estimated Ship Date: May 6, 2026 if ordered today
Estimated Ship Date: May 6, 2026 if ordered today
Headers, Block Hugger, Painted, Small Block, Ford, 289-351W, Universal Street Rod, 1.625 in.x 2.500 in., Pair
Part Number: BIG-12000FLT
Estimated Ship Date: May 6, 2026 if ordered today
Estimated Ship Date: May 6, 2026 if ordered today
Headers, Long Tube, Steel, Painted, Ford, Big Block FE, Pair
Part Number: BIG-12540FLT
Estimated Ship Date: Today
Estimated Ship Date: Today
Headers, Long Tube, Steel, Painted, Chevy, GMC, Small Block, Pair
Part Number: BIG-11500FLT
Estimated Ship Date: Today
Estimated Ship Date: Today
Headers, Shorty, Steel, Ceramic Coated, Chevy, Oldsmobile, with Chevy, Small Block, Pair
Part Number: BIG-31108FLT
Estimated Ship Date: Today
Estimated Ship Date: Today
Headers, Shorty, Steel, Painted, GM Car with Chevy, Small Block, Pair
Part Number: BIG-11108FLT
Estimated Ship Date: Today
Estimated Ship Date: Today
Headers, Long Tube, Steel, Ceramic Coated, Ford, Big Block FE, Pair
Part Number: BIG-32540FLT
Estimated Ship Date: Today
Estimated Ship Date: Today
Headers, Long Tube, Steel, Silver Ceramic Coated, Chevy, GMC, SUV, Pickup, Small Block, Pair
Part Number: BIG-31500FLT
Estimated Ship Date: Today
Estimated Ship Date: Today
Headers, Long Tube, Steel, Ceramic Coated, Ford, Big Block FE, Pair
Part Number: BIG-32542FLT
Estimated Ship Date: Today
Estimated Ship Date: Today
Headers, One-Piece Long Tube, 1 5/8 in. Primaries, Stock 3-Bolt Flange, 3 in. Collectors, Oval Ports, Steel, Ceramic Coated, Chevy, Small Block, Pair
Part Number: BIG-31106FLT
Estimated Ship Date: Today
Estimated Ship Date: Today
Headers, Long Tube, Steel, Ceramic Coated, Chevy, Car, Small Block, Pair
Part Number: BIG-31100FLT
Estimated Ship Date: Today
Estimated Ship Date: Today
Headers, Long Tube, Steel, Painted, Ford, Pickup, 4WD, 352-390, FE, Pair
Part Number: BIG-12542FLT
Estimated Ship Date: Today
Estimated Ship Date: Today
Headers, Turbo, Up and Forward, 304 Stainless Steel, Natural, 1.875 in. Primary, 2.50 in. V-Band Collector, Chevrolet, Small Block Gen I, Pair
Part Number: BIG-11572FLT
Estimated Ship Date: Today
Estimated Ship Date: Today
Headers, Long Tube, Steel, Painted, Chevy, Car, Small Block, Pair
Part Number: BIG-11100FLT
Estimated Ship Date: Today
Estimated Ship Date: Today
Headers, Long Tube, Steel, Painted, Chevy, GMC, SUV, Pickup, Small Block, Pair
Part Number: BIG-11506FLT
Estimated Ship Date: Today
Estimated Ship Date: Today
Headers, Shorty, Stainless Steel, Natural, 3-Bolt Flange, Chevy, Small Block, LS Engine, Pair
Part Number: BIG-11575FLT
Estimated Ship Date: Today
Estimated Ship Date: Today
Headers, Long Tube, Steel, Painted, Oldsmobile, Pontiac, 350, 403, Pair
Part Number: BIG-11150FLT
Estimated Ship Date: Today
Estimated Ship Date: Today
Headers, Long Tube, Steel, Painted, Chevy, GMC, SUV, Pickup, Big Block, Pair
Part Number: BIG-11530FLT
Estimated Ship Date: Today
Estimated Ship Date: Today
Headers, Long Tube, Steel, Black Painted, Chevy, Small Block, Pair
Part Number: BIG-11112FLT
Estimated Ship Date: Today
Estimated Ship Date: Today
Headers, Turbo, Up and Forward, 304 Stainless Steel, Polished, 1.875 in. Primary, 2.500 in. V-Band Collector, Chevrolet, Small Block Gen I, Pair
Part Number: BIG-11573FLT
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Headers, Long Tube, Steel, Painted, Chevy, Small Block, Pair
Part Number: BIG-11110FLT
Estimated Ship Date: Today
Estimated Ship Date: Today
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster