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Flowtech Headers at Andy's Auto Sport
15 items available
Headers
Flowtech Headers - Standard, Primary Tube Collector Size 1.5" x 3" w/ A.I.R. Injection Manifold Welded In, Modify Stock Exhaust to Retain Cat. Converter, Not Legal for Street Use
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11500SFLT
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$369.68 /Each
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Flowtech Headers - Standard, Primary Tube Collector Size 1.5" x 3" w/o A.I.R. Tubes, May Require Clutch Linkage Modification, Modify Stock Exhaust to Retain Cat. Converter, Not Legal for Street Use
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11500FLT
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$171.30 /Each
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Flowtech Headers - Standard, Primary Tube Collector Size 1.5" x 2.5" w/o A.I.R. Tubes, For Engine 283-400 Swap, Modify Stock Exhaust to Retain Cat. Converter, Not Legal for Street Use
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11502FLT
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$219.53 /Each
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Flowtech Headers - Standard, Primary Tube Collector Size 1 5/8" x 2.5" w/o AIR Tubes, May Require Clutch Linkage Modification, Modify Stock Exhaust to Retain Cat. Converter, Not Legal for Street Use
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11506FLT
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$171.30 /Each
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Flowtech Headers - Primary Tube Collector Size 1.5x3" w/o A.I.R. Tubes, May Require Clutch Linkage Modification, Modify Stock Exhaust to Retain Cat. Converter, Not Legal for Street Use (Ceramic)
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31500FLT
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$403.54 /Each
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Flowtech Headers - Primary Tube Collector Size 1.5" x 2.5" w/o A.I.R. Tubes, for Engine 283-400 Swap, Modify Stock Exhaust to Retain Cat. Coverter, Not Legal for Street Use (Ceramic)
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31502FLT
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$450.85 /Each
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Flowtech Headers - Primary Tube Collector Size 1 5/8" x 2.5" w/o A.I.R. Tubes, May Require Clutch Linkage Modification, Modify Stock Exhaust to Retain Cat. Converter, Not Legal for Street Use (Ceramic)
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31506FLT
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$403.54 /Each
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Flowtech Headers - Afterburner w/o A.I.R. Tubes, Modify Stock Exhaust to Retain Cat. Converter, Not Legal for Street Use (Ceramic)
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49150-1FLT
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$524.33 /Each
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Flowtech Headers - Afterburner, Standard w/o A.I.R. Tubes, Modify Stock Exhaust to Retain Cat. Converter, Not Legal for Street Use
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49150FLT
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$290.33 /Each
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Flowtech Headers - Afterburner w/o A.I.R. Tubes, Remove Rubber Stopper Below Starter, Modify Stock Exhaust to Retain Cat. Converter, Not Legal for Street Use (Ceramic)
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49152-1FLT
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$524.33 /Each
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Flowtech Headers - Afterburner, Standard w/o A.I.R. Tubes, Remove Rubber Stopper Below Starter, Modify Stock Exhaust to Retain Cat. Converter, Not Legal for Street Use
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49152FLT
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$284.78 /Each
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Flowtech Headers - Shorty, Smog Headerss w/o A.I.R., 50 States Emissions Legal (Ceramic)
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91830-1FLT
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$569.64 /Each
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Flowtech Headers - Shorty, Smog Headerss w/ A.I.R., 50 States Emissions Legal (Ceramic)
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91831-1FLT
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$569.64 /Each
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Flowtech Headers - Shorty, Smog Headerss, Standard w/o A.I.R., 50 States Emissions Legal
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91830FLT
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$334.27 /Each
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Flowtech Headerss - Shorty, Smog Headerss, Standard w/ A.I.R., 50 States Emissions Legal
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91831FLT
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$334.27 /Each
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About this Manufacturer:
Flowtech has been an innovator in exhaust design since it debuted its unique headers and mufflers in 1994. With slotted flange holes, dimpled tubes at the exhaust ports, and separate velocity tubes for better scavenging, Flowtech's After Burner header certainly was one product of theirs that made some waves with its easy installation and effective design. When Holley acquired Flowtech in 1999, the innovation continued with X-pipe kits and new exhaust applications, all of which are designed by Flowtech to produce the most bang for the buck. And really, if Holley is behind the brand, we know there has to be something to it.
Frequently Asked Questions
What does a header do? Why buy a header?
An exhaust header is a performance product that replaces your factory exhaust manifold and improves an engine's performance by allowing air to flow more freely. The easier an engine breathes the more power it produces. Headers generally use piping with a wider diameter than factory tubing, which allows more air to pass through the exhaust system than factory. A header is one of the easiest bolt-on modifications you can make to increase horsepower, making an effective use of money if your goal is to quickly gain horsepower.
How much does the material used to make the header matter?
There are two main materials that headers are manufactured out of: ceramic and stainless steel. Ceramic headers are less expensive, but are prone to cracking if they get to be extremely hot. Stainless steel headers are more expensive but are more durable and generally more stylish. Stainless steel headers can take any kind of heat you throw at it and not prone to cracking.
What are the different tubing options for headers and what is the difference between them?
There are two major designs for headers: the 4-2-1 design and the 4-1 design. In many cases 4-1 headers are designed for racing applications where the vehicle is being driven at or near redline. The 4-1 design maximizes top end power, whereas the 4-2-1 evenly distributes it throughout the power band. Either way, you're going to be getting more horsepower from a header.
For which vehicles is it necessary to buy a pair of headers? On your website are headers automatically sold in pairs for these vehicles?
When purchasing exhaust headers for a V-6 or V-8 engine, the header package is complete with two headers. If your vehicle is a 4-cylinder, there only a single header that is used.
How do you install a header?
A header is a direct bolt-on. Simply remove the factory OEM exhaust manifold and the aftermarket header is put in its place. The header is to be attached the head of your vehicle. Remove all the bolts that hold the flanges in place and detach the factory manifold. The down pipe or exhaust pipe should be removed as well and then reattached once the header flanges are bolted back onto the head.
An exhaust header is a performance product that replaces your factory exhaust manifold and improves an engine's performance by allowing air to flow more freely. The easier an engine breathes the more power it produces. Headers generally use piping with a wider diameter than factory tubing, which allows more air to pass through the exhaust system than factory. A header is one of the easiest bolt-on modifications you can make to increase horsepower, making an effective use of money if your goal is to quickly gain horsepower.
How much does the material used to make the header matter?
There are two main materials that headers are manufactured out of: ceramic and stainless steel. Ceramic headers are less expensive, but are prone to cracking if they get to be extremely hot. Stainless steel headers are more expensive but are more durable and generally more stylish. Stainless steel headers can take any kind of heat you throw at it and not prone to cracking.
What are the different tubing options for headers and what is the difference between them?
There are two major designs for headers: the 4-2-1 design and the 4-1 design. In many cases 4-1 headers are designed for racing applications where the vehicle is being driven at or near redline. The 4-1 design maximizes top end power, whereas the 4-2-1 evenly distributes it throughout the power band. Either way, you're going to be getting more horsepower from a header.
For which vehicles is it necessary to buy a pair of headers? On your website are headers automatically sold in pairs for these vehicles?
When purchasing exhaust headers for a V-6 or V-8 engine, the header package is complete with two headers. If your vehicle is a 4-cylinder, there only a single header that is used.
How do you install a header?
A header is a direct bolt-on. Simply remove the factory OEM exhaust manifold and the aftermarket header is put in its place. The header is to be attached the head of your vehicle. Remove all the bolts that hold the flanges in place and detach the factory manifold. The down pipe or exhaust pipe should be removed as well and then reattached once the header flanges are bolted back onto the head.
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