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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

Part Groups

Results 1 - 25 of 187

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 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

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 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

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 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

Flowtech Headers 11500FLT

Flowtech Headers 11500FLT

Flowtech Headers 11500FLT

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

Part Number: BIG-11500FLT

4.51 out of 5 stars ( 79 )

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

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 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

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 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

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 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

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

3.92 out of 5 stars ( 12 )

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

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 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

Flowtech Shorty Headers 91627-1FLT

Flowtech Shorty Headers 91627-1FLT

Flowtech Shorty Headers 91627-1FLT

Headers, Shorty, Steel, Ceramic Coated, Ford, Pickup, SUV, 5.0L, Pair

Part Number: BIG-91627-1FLT

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

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 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

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

3.57 out of 5 stars ( 35 )

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

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 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

Flowtech Headers 11150FLT

Flowtech Headers 11150FLT

Flowtech Headers 11150FLT

Headers, Long Tube, Steel, Painted, Oldsmobile, Pontiac, 350, 403, Pair

Part Number: BIG-11150FLT

4.36 out of 5 stars ( 25 )

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

Flowtech Headers 31170FLT

Flowtech Headers 31170FLT

Flowtech Headers 31170FLT

Headers, Long Tube, Steel, Ceramic Coated, Pontiac, 326-455, Pair

Part Number: BIG-31170FLT

3.5 out of 5 stars ( 12 )

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

Flowtech Headers 32118FLT

Flowtech Headers 32118FLT

Flowtech Headers 32118FLT

Headers, Long Tube, Steel, Ceramic Coated, Ford, Mercury, 351C, 4V, Pair

Part Number: BIG-32118FLT

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

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

4.61 out of 5 stars ( 49 )

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

Flowtech Headers 31112FLT

Flowtech Headers 31112FLT

Flowtech Headers 31112FLT

Headers, Long Tube, Steel, Ceramic Coated, Chevy, Small Block, Pair

Part Number: BIG-31112FLT

4.58 out of 5 stars ( 24 )

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

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 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

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 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

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 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

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 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

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 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

Flowtech Headers 32542FLT

Flowtech Headers 32542FLT

Flowtech Headers 32542FLT

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

Part Number: BIG-32542FLT

3.75 out of 5 stars ( 8 )

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

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

4.4 out of 5 stars ( 10 )

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

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