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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!

Showing In Stock Items. Show All 199 Items.

Individual Parts

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Results 1 - 25 of 184

Flowtech Shorty Headers 91832-1FLT

Flowtech Shorty Headers 91832-1FLT

Flowtech Shorty Headers 91832-1FLT

Headers, Shorty, Steel, Ceramic Coated, Chevy, GMC, 5.7L, w/o A.I.R. Injection, Pair

Part Number: BIG-91832-1FLT

4.25 out of 5 stars ( 8 )

Estimated Ship Date: Monday 12/1/2025

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Estimated Ship Date: Monday 12/1/2025

This product may not be eligible for select promotional offers

Flowtech LS Turbo Headers 11537FLT

Flowtech LS Turbo Headers 11537FLT

Flowtech LS Turbo Headers 11537FLT

Headers, LS Turbo Header, Forward and Up, Stainless Steel, Natural, 1 7/8 in. Chevy, LS, Pair

Part Number: BIG-11537FLT

3.86 out of 5 stars ( 7 )

Estimated Ship Date: Monday 12/1/2025

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Estimated Ship Date: Monday 12/1/2025

This product may not be eligible for select promotional offers

Flowtech Shorty Headers 91830FLT

Flowtech Shorty Headers 91830FLT

Flowtech Shorty Headers 91830FLT

Headers, Shorty, Steel, Painted, Chevy, GMC, 5.7L, w/o A.I.R. Injection, Pair

Part Number: BIG-91830FLT

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Monday 12/1/2025

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Estimated Ship Date: Monday 12/1/2025

This product may not be eligible for select promotional offers

Flowtech Headers 12540FLT

Flowtech Headers 12540FLT

Flowtech Headers 12540FLT

Headers, Long Tube, Steel, Painted, Ford, Big Block FE, Pair

Part Number: BIG-12540FLT

4.38 out of 5 stars ( 74 )

Estimated Ship Date: Monday 12/1/2025

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Estimated Ship Date: Monday 12/1/2025

This product may not be eligible for select promotional offers

Flowtech Headers 11500FLT

Flowtech Headers 11500FLT

Flowtech Headers 11500FLT

Headers, Long Tube, Steel, Painted, Chevy, GMC, Small Block, Pair

Part Number: BIG-11500FLT

4.5 out of 5 stars ( 78 )

Estimated Ship Date: Monday 12/1/2025

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Estimated Ship Date: Monday 12/1/2025

This product may not be eligible for select promotional offers

Flowtech Headers 31106FLT

Flowtech Headers 31106FLT

Flowtech Headers 31106FLT

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

4.68 out of 5 stars ( 44 )

Estimated Ship Date: Monday 12/1/2025

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Estimated Ship Date: Monday 12/1/2025

This product may not be eligible for select promotional offers

Flowtech Headers 12542FLT

Flowtech Headers 12542FLT

Flowtech Headers 12542FLT

Headers, Long Tube, Steel, Painted, Ford, Pickup, 4WD, 352-390, FE, Pair

Part Number: BIG-12542FLT

4.17 out of 5 stars ( 60 )

Estimated Ship Date: Monday 12/1/2025

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Estimated Ship Date: Monday 12/1/2025

This product may not be eligible for select promotional offers

Flowtech Shorty Headers 91832FLT

Flowtech Shorty Headers 91832FLT

Flowtech Shorty Headers 91832FLT

Headers, Shorty, Steel, Painted, Chevy, GMC, 5.7L, w/o A.I.R. Injection, Pair

Part Number: BIG-91832FLT

3.82 out of 5 stars ( 11 )

Estimated Ship Date: Monday 12/1/2025

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Estimated Ship Date: Monday 12/1/2025

This product may not be eligible for select promotional offers

Flowtech Shorty Headers 91627FLT

Flowtech Shorty Headers 91627FLT

Flowtech Shorty Headers 91627FLT

Headers, Shorty, Steel, Painted, Ford, Pickup, SUV, 5.0L, Pair

Part Number: BIG-91627FLT

4.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 12/1/2025

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Estimated Ship Date: Monday 12/1/2025

This product may not be eligible for select promotional offers

Flowtech LS Turbo Headers 11540FLT

Flowtech LS Turbo Headers 11540FLT

Flowtech LS Turbo Headers 11540FLT

Headers, LS Turbo, Forward Up, Stainless Steel, 1 7/8 in. Primary Tube, Polished, 3 in. Collector, Pair

Part Number: BIG-11540FLT

3.25 out of 5 stars ( 4 )

Estimated Ship Date: Monday 12/1/2025

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Estimated Ship Date: Monday 12/1/2025

This product may not be eligible for select promotional offers

Flowtech Headers 31108FLT

Flowtech Headers 31108FLT

Flowtech Headers 31108FLT

Headers, Shorty, Steel, Ceramic Coated, Chevy, Oldsmobile, with Chevy, Small Block, Pair

Part Number: BIG-31108FLT

3.79 out of 5 stars ( 24 )

Estimated Ship Date: Monday 12/1/2025

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Estimated Ship Date: Monday 12/1/2025

This product may not be eligible for select promotional offers

Flowtech Headers 11108FLT

Flowtech Headers 11108FLT

Flowtech Headers 11108FLT

Headers, Shorty, Steel, Painted, GM Car with Chevy, Small Block, Pair

Part Number: BIG-11108FLT

4.63 out of 5 stars ( 32 )

Estimated Ship Date: Monday 12/1/2025

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Estimated Ship Date: Monday 12/1/2025

This product may not be eligible for select promotional offers

Flowtech Purple Hornie Collector Mufflers 50232FLT

Flowtech Purple Hornie Collector Mufflers 50232FLT

Flowtech Purple Hornie Collector Mufflers 50232FLT

Mufflers, Purple Hornie, 3 in. Inlet/3 in. Outlet, Purple Steel, Pair

Part Number: BIG-50232FLT

4.64 out of 5 stars ( 45 )

Estimated Ship Date: Monday 12/1/2025

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Estimated Ship Date: Monday 12/1/2025

This product may not be eligible for select promotional offers

Flowtech Super Street Dual Exhaust Kits 51525FLT

Flowtech Super Street Dual Exhaust Kits 51525FLT

Flowtech Super Street Dual Exhaust Kits 51525FLT

Exhaust System, Super Street, Header-Back, Steel, Aluminized, Chevy, GMC, 4WD, V8, Kit

Part Number: BIG-51525FLT

3.59 out of 5 stars ( 34 )

Estimated Ship Date: Monday 12/1/2025

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Estimated Ship Date: Monday 12/1/2025

This product may not be eligible for select promotional offers

Flowtech LS Turbo Headers 11535FLT

Flowtech LS Turbo Headers 11535FLT

Flowtech LS Turbo Headers 11535FLT

LS Turbo Headers (Up and forward) 1-3/4" 409SS GM 4.8/5.3/6.0L V8 - Natural Finish

Part Number: BIG-11535FLT

4.27 out of 5 stars ( 11 )

Estimated Ship Date: Monday 12/1/2025

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Estimated Ship Date: Monday 12/1/2025

This product may not be eligible for select promotional offers

Flowtech Headers 31500FLT

Flowtech Headers 31500FLT

Flowtech Headers 31500FLT

Headers, Long Tube, Steel, Silver Ceramic Coated, Chevy, GMC, SUV, Pickup, Small Block, Pair

Part Number: BIG-31500FLT

4.39 out of 5 stars ( 28 )

Estimated Ship Date: Monday 12/1/2025

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Estimated Ship Date: Monday 12/1/2025

This product may not be eligible for select promotional offers

Flowtech Headers 11549FLT

Flowtech Headers 11549FLT

Flowtech Headers 11549FLT

Headers, Shorty, Stainless Steel, Polished, Chevy, GMC, Pair

Part Number: BIG-11549FLT

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Monday 12/1/2025

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Estimated Ship Date: Monday 12/1/2025

This product may not be eligible for select promotional offers

Flowtech Coyote Turbo Headers 12152FLT

Flowtech Coyote Turbo Headers 12152FLT

Flowtech Coyote Turbo Headers 12152FLT

Headers, Forward Facing Turbo, V-Band Flanges, 304 Stainless Steel, Natural, Ford, Modular V8, Coyote, Pair

Part Number: BIG-12152FLT

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/1/2025

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Estimated Ship Date: Monday 12/1/2025

This product may not be eligible for select promotional offers

Flowtech SBF Turbo Headers 12167FLT

Flowtech SBF Turbo Headers 12167FLT

Flowtech SBF Turbo Headers 12167FLT

Headers, SBF Turbo, Down and Forward, Stainless Steel, Natural, 1 7/8 in. Primary, Ford, Small Block Windsor, Pair

Part Number: BIG-12167FLT

3.83 out of 5 stars ( 6 )

Estimated Ship Date: Monday 12/1/2025

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Estimated Ship Date: Monday 12/1/2025

This product may not be eligible for select promotional offers

Flowtech SBF Turbo Headers 12164FLT

Flowtech SBF Turbo Headers 12164FLT

Flowtech SBF Turbo Headers 12164FLT

Headers, Shorty, Stainless Steel, 1-3/4 in. Primary, Natural, Ford Small Block, Pair

Part Number: BIG-12164FLT

4.33 out of 5 stars ( 9 )

Estimated Ship Date: Monday 12/1/2025

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Estimated Ship Date: Monday 12/1/2025

This product may not be eligible for select promotional offers

Flowtech Headers 11575FLT

Flowtech Headers 11575FLT

Flowtech Headers 11575FLT

Headers, Shorty, Stainless Steel, Natural, 3-Bolt Flange, Chevy, Small Block, LS Engine, Pair

Part Number: BIG-11575FLT

3.0 out of 5 stars ( 9 )

Estimated Ship Date: Monday 12/1/2025

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Estimated Ship Date: Monday 12/1/2025

This product may not be eligible for select promotional offers

Flowtech Headers 32540FLT

Flowtech Headers 32540FLT

Flowtech Headers 32540FLT

Headers, Long Tube, Steel, Ceramic Coated, Ford, Big Block FE, Pair

Part Number: BIG-32540FLT

4.71 out of 5 stars ( 7 )

Estimated Ship Date: Monday 12/1/2025

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Estimated Ship Date: Monday 12/1/2025

This product may not be eligible for select promotional offers

Flowtech Afterburner Headers 49100FLT

Flowtech Afterburner Headers 49100FLT

Flowtech Afterburner Headers 49100FLT

Headers, Afterburner, Long Tube, Steel, Painted, GM, Car with Chevy, Small Block, Pair

Part Number: BIG-49100FLT

4.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 12/1/2025

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Estimated Ship Date: Monday 12/1/2025

This product may not be eligible for select promotional offers

Flowtech Shorty Headers 91945FLT

Flowtech Shorty Headers 91945FLT

Flowtech Shorty Headers 91945FLT

Headers, Shorty, Steel, Painted, Dodge, 5.2, 5.9L, Pair

Part Number: BIG-91945FLT

3.5 out of 5 stars ( 8 )

Estimated Ship Date: Monday 12/1/2025

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Estimated Ship Date: Monday 12/1/2025

This product may not be eligible for select promotional offers

Flowtech Headers 13504FLT

Flowtech Headers 13504FLT

Flowtech Headers 13504FLT

Headers, Long Tube, Steel, Painted, Dodge, W100, W150, W200, Pickup, Big Block, B, RB, 4WD, Pair

Part Number: BIG-13504FLT

4.18 out of 5 stars ( 17 )

Estimated Ship Date: Monday 12/1/2025

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Estimated Ship Date: Monday 12/1/2025

This product may not be eligible for select promotional offers

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