Flowtech Exhaust GMC Headers and Exhaust Parts

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Flowtech 12165FLT Small Block Ford Turbo Headers, Polished 304

Flowtech Exhaust |

#42512165FLT

Flowtech 12165FLT Small Block Ford Turbo Headers, Polished 304

Header Tube Type:

Turbo

Exhaust Port Shape:

Square

Flange Style:

Standard

$449.95

/pair

Rebate

Flowtech Exhaust |

#42510005FLT

Flowtech 10005FLT Reducer Kit, One Pair, 3-Bolt

(1)

Material Type:

Steel

Flange Style:

3-Bolt

$32.72

/pair

$36.35

Rebate

Flowtech 11730FLT LS Swap Exhaust Manifolds, Natural Cast Finish

Flowtech Exhaust |

#72211730FLT

Flowtech 11730FLT LS Swap Exhaust Manifolds, Natural Cast Finish

(1)

Finish:

Natural

Sold in Quantity:

Pair

$247.95

/kit

$275.95

Flowtech 11030FLT Universal B/B Chevy Hugger Header, 1.75 In

Flowtech Exhaust |

#42511030FLT

Flowtech 11030FLT Universal B/B Chevy Hugger Header, 1.75 In

Header Tube Type:

Block Hugger

Exhaust Port Shape:

Round

Flange Style:

Standard

$174.95

/each

-11%

Flowtech 12153FLT Coyote Turbo Headers, Polished 304 Stainless

Flowtech Exhaust |

#42512153FLT

Flowtech 12153FLT Coyote Turbo Headers, Polished 304 Stainless

Header Tube Type:

Turbo

Flange Style:

Standard

Primary Tube Diameter:

1-5/8"

$511.95

/pair

$575.95

Exhaust Manifolds VS Headers | How Much HP Do Headers Add

Headers and manifolds differ in design and function. Long tube headers, shorty headers, and exhaust manifolds each have their pros and cons regarding performance and application.

Squarebody LS Swap Guide | 73-87 K10 Parts List

How to plan and execute a LS swap into any 1973-1987 Chevy/GMC K10 pickup truck.

Exhaust System Header Wrapping

Whether you’re looking for performance improvements or heat reduction, if you decide to wrap your headers, we'll show you the benefits and possible precautions to take before you wrap your exhaust.

Ceramic Coated Headers

Watch our video on the ceramic coating process for Armor Hot Coating. Headers coated with Armor Hot Coating protect your car without sacrificing looks.

Exhaust Repair

Some basic info on the various exhaust options carried by Speedway Motors.

Hooker Header Installation Guide

Hooker headers are installed in a 1967 Pontiac Firebird for increased power and a boost in performance. See how to work through fitment of the steering box, clutch Z bar and starter.

Replacing GM Rear End Spherical Bushings

In this budget build, a GM rear end is upgraded in order to hold 400+ HP. See how spherical bushings are replaced in a used 8.5” GM 10 bolt rear end.

GM 12-Bolt Rear End Identification & Upgrade Guide

Decode, ID, and upgrade your GM 12-bolt rear end. Learn axle specs, gear ratios, and best performance parts upgrades.

GM 10-Bolt Polished Finned Aluminum Rear End Cover Installation Guide

Steve provides a step-by-step guide to install the Speedway Motors GM 10-Bolt Polished Finned Aluminum Rear End Cover.

Flowtech 12168FLT Small Block Ford Turbo Headers, Polished 304

Flowtech Exhaust |

#42512168FLT

Flowtech 12168FLT Small Block Ford Turbo Headers, Polished 304

Header Tube Type:

Turbo

Flange Style:

Standard

Primary Tube Diameter:

1-7/8"

$209.95

/pair

-11%

Flowtech 11706-1FLT Tight Fit Block Hugger Header, Silver Metallic

Flowtech Exhaust |

#425117061FLT

Flowtech 11706-1FLT Tight Fit Block Hugger Header, Silver Metallic

Header Tube Type:

Block Hugger

Flange Style:

Standard

Primary Tube Diameter:

1-5/8"

$562.95

/each

$633.95

-11%

Flowtech 11706FLT Tight Fit Block Hugger Header, Black Paint

Flowtech Exhaust |

#42511706FLT

Flowtech 11706FLT Tight Fit Block Hugger Header, Black Paint

(1)

Header Tube Type:

Block Hugger

Exhaust Port Shape:

Round

Flange Style:

Standard

$393.95

/set

$443.95

-11%

Flowtech 10002FLT Reducer Kit, 10 Pair, 3-Bolt, 3 Inch x 2.5 Inch

Flowtech Exhaust |

#42510002FLT

Flowtech 10002FLT Reducer Kit, 10 Pair, 3-Bolt, 3 Inch x 2.5 Inch

Material Type:

Steel

Flange Style:

3-Bolt

$249.95

/each

$281.95

-11%

Flowtech 32166FLT Small Block Ford Turbo Headers, Ceramic Coated

Flowtech Exhaust |

#42532166FLT

Flowtech 32166FLT Small Block Ford Turbo Headers, Ceramic Coated

Header Tube Type:

Turbo

Flange Style:

Standard

Primary Tube Diameter:

1-3/4"

$473.95

/pair

$533.95

-11%

Flowtech 53630FLT Warlock Universal Fit X-Pipe, 2-1/2 Inch Diameter

Flowtech Exhaust |

#42553630FLT

Flowtech 53630FLT Warlock Universal Fit X-Pipe, 2-1/2 Inch Diameter

Exhaust Tubing Diameter:

2-1/2 Inch

Finish:

Aluminized

$299.95

/each

$337.95

Flowtech 11569FLT Small Block Chevy Turbo Headers

Flowtech Exhaust |

#42511569FLT

Flowtech 11569FLT Small Block Chevy Turbo Headers

Header Tube Type:

Turbo

Primary Tube Diameter:

1-3/4"

Material Type:

Stainless Steel

$239.95

/kit

Flowtech 11576FLT Shorty Headers, GM LS Universal, Polished

Flowtech Exhaust |

#42511576FLT

Flowtech 11576FLT Shorty Headers, GM LS Universal, Polished

(6)

Header Tube Type:

Shorty

Exhaust Port Shape:

Round

Flange Style:

Standard

$164.95

/each

Rebate

Flowtech 50225FLT Purple Hornies Slip-Fit Muffler, 2-1/4 Inch Inlet

Flowtech Exhaust |

#42550225FLT

Flowtech 50225FLT Purple Hornies Slip-Fit Muffler, 2-1/4 Inch Inlet

(6)

Muffler Type:

Glass Pack

Inlet Diameter:

2.25"

Outlet Diameter:

2.25"

$46.76

/each

$51.95

Rebate

Flowtech 50251FLT Red Hot Glass Pack Muffler, Slip-Fit

Flowtech Exhaust |

#42550251FLT

Flowtech 50251FLT Red Hot Glass Pack Muffler, Slip-Fit

(8)

Muffler Type:

Glass Pack

Inlet Diameter:

2.25"

Outlet Diameter:

2.25"

$32.57

/each

$36.19

Rebate

Flowtech 50252FLT Red Hot Glass Pack Muffler, Slip-Fit

Flowtech Exhaust |

#42550252FLT

Flowtech 50252FLT Red Hot Glass Pack Muffler, Slip-Fit

(12)

Muffler Type:

Glass Pack

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$32.57

/each

$36.19

Rebate

Flowtech 53620FLT X-Terminator Off Road Universal X-Pipe, 2-1/2 Inch

Flowtech Exhaust |

#42553620FLT

Flowtech 53620FLT X-Terminator Off Road Universal X-Pipe, 2-1/2 Inch

Exhaust Tubing Diameter:

2-1/2 Inch

Finish:

Aluminized

$76.04

/each

$84.49

Rebate

Flowtech 53621FLT X-Terminator Off Road Universal X-Pipe, 3 Inch

Flowtech Exhaust |

#42553621FLT

Flowtech 53621FLT X-Terminator Off Road Universal X-Pipe, 3 Inch

(1)

Exhaust Tubing Diameter:

3 Inch

Finish:

Raw

$93.55

/each

$103.95

Rebate

Flowtech 11705-7FLT Block Hugger Header, SB Chevy, Stainless Steel

Flowtech Exhaust |

#425117057FLT

Flowtech 11705-7FLT Block Hugger Header, SB Chevy, Stainless Steel

Header Tube Type:

Block Hugger

Exhaust Port Shape:

Oval

Flange Style:

Standard

$504.95

/each

$561.95

Rebate

Flowtech 50050FLT Raptor Turbo Performance Muffler

Flowtech Exhaust |

#42550050FLT

Flowtech 50050FLT Raptor Turbo Performance Muffler

(3)

Muffler Type:

Turbo-style/Straight-through

Inlet Diameter:

Outlet Diameter:

$54.62

/each

$60.69

Rebate

Flowtech 10004FLT Reducer Kit, One Pair, 3-Bolt

Flowtech Exhaust |

#42510004FLT

Flowtech 10004FLT Reducer Kit, One Pair, 3-Bolt

(1)

Material Type:

Steel

Flange Style:

3-Bolt

$32.72

/pair

$36.35

Rebate

Flowtech 31730-3FLT LS Swap Exhaust Manifolds, Black Ceramic

Flowtech Exhaust |

#772317303FLT

Flowtech 31730-3FLT LS Swap Exhaust Manifolds, Black Ceramic

Finish:

Ceramic Coated

Sold in Quantity:

Pair

$343.95

/kit

$382.95

-11%

Flowtech 49150FLT Afterburner Headers, Painted

Flowtech Exhaust |

#42549150FLT

Flowtech 49150FLT Afterburner Headers, Painted

Header Tube Type:

Long Tube

Exhaust Port Shape:

Round

Flange Style:

Standard

$419.95

/each

$472.95

Flowtech 31530FLTLong Tube Header, Ceramic Coated

Flowtech Exhaust |

#42531530FLT

Flowtech 31530FLTLong Tube Header, Ceramic Coated

(2)

Header Tube Type:

Long Tube

Exhaust Port Shape:

Round

Flange Style:

Standard

$259.95

/set

Rebate

Flowtech 11530FLT Long Tube Header, 1.75 Inch Tube Size

Flowtech Exhaust |

#42511530FLT

Flowtech 11530FLT Long Tube Header, 1.75 Inch Tube Size

(3)

Header Tube Type:

Long Tube

Exhaust Port Shape:

Round

Flange Style:

Standard

$243.95

/set

$271.95

Flowtech 31506FLT Long Tube Header, Ceramic Coated

Flowtech Exhaust |

#42531506FLT

Flowtech 31506FLT Long Tube Header, Ceramic Coated

Header Tube Type:

Long Tube

Exhaust Port Shape:

Round

Flange Style:

Standard

$319.95

/each

Rebate

Flowtech 11506FLT Long Tube Header, 1.625 Inch Tube Size

Flowtech Exhaust |

#42511506FLT

Flowtech 11506FLT Long Tube Header, 1.625 Inch Tube Size

(1)

Header Tube Type:

Long Tube

Exhaust Port Shape:

Round

Flange Style:

Standard

$238.95

/set

$265.95

Rebate

Flowtech 11510FLT Long Tube Header, 1.5 Inch Tube Size

Flowtech Exhaust |

#42511510FLT

Flowtech 11510FLT Long Tube Header, 1.5 Inch Tube Size

(15)

Header Tube Type:

Long Tube

Exhaust Port Shape:

Round

Flange Style:

Standard

$268.95

/set

$299.95

Rebate

Flowtech 11500FLT, Long Tube Header, 3 Inch Collector Size

Flowtech Exhaust |

#42511500FLT

Flowtech 11500FLT, Long Tube Header, 3 Inch Collector Size

(22)

Header Tube Type:

Long Tube

Exhaust Port Shape:

Round

Flange Style:

Standard

$223.95

/set

$249.95

Rebate

Flowtech 31500FLT, Long Tube Header, Ceramic Coated

Flowtech Exhaust |

#42531500FLT

Flowtech 31500FLT, Long Tube Header, Ceramic Coated

(2)

Header Tube Type:

Long Tube

Exhaust Port Shape:

Round

Flange Style:

Standard

$477.95

/set

$531.95

Rebate

Flowtech 31100FLT Long Tube Header, Ceramic Coated

Flowtech Exhaust |

#42531100FLT

Flowtech 31100FLT Long Tube Header, Ceramic Coated

(3)

Header Tube Type:

Long Tube

Exhaust Port Shape:

Round

Flange Style:

Standard

$466.95

/set

$519.95

Rebate

Flowtech 11100FLT Long Tube Header, 3 Inch Collector Size

Flowtech Exhaust |

#42511100FLT

Flowtech 11100FLT Long Tube Header, 3 Inch Collector Size

(7)

Header Tube Type:

Long Tube

Exhaust Port Shape:

Round

Flange Style:

Standard

$228.95

/set

$254.95

Rebate

Flowtech 99153FLT Real-Seal Exhaust Gaskets,Big Block Chevy Round Port

Flowtech Exhaust |

#42599153FLT

Flowtech 99153FLT Real-Seal Exhaust Gaskets,Big Block Chevy Round Port

Material Type:

Aluminum

GTIN Code:

787480991539

$89.96

/each

$99.95

Rebate

Flowtech 10105FLT 3-Bolt Reducer w/ O2 Sensor Fitting, 2.5 Inch

Flowtech Exhaust |

#42510105FLT

Flowtech 10105FLT 3-Bolt Reducer w/ O2 Sensor Fitting, 2.5 Inch

(1)

Material Type:

Steel

Flange Style:

3-Bolt

$69.62

/pair

$77.35

Rebate

Flowtech 99150AFLT Small Block Chevy Square Port Header Gaskets

Flowtech Exhaust |

#42599150AFLT

Flowtech 99150AFLT Small Block Chevy Square Port Header Gaskets

Material Type:

Aluminum

Sold in Quantity:

Each

$89.96

/each

$99.95

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Flowtech Exhaust GMC Headers and Exhaust Parts

Model

Subcategory

Part

Brand

Product Line

Application

Department

Engine Family

Availability

Discounts

Price

Customer Rating

Products

Flowtech 12165FLT Small Block Ford Turbo Headers, Polished 304

Flowtech 10005FLT Reducer Kit, One Pair, 3-Bolt

Flowtech 11730FLT LS Swap Exhaust Manifolds, Natural Cast Finish

Flowtech 11030FLT Universal B/B Chevy Hugger Header, 1.75 In

Flowtech 12153FLT Coyote Turbo Headers, Polished 304 Stainless

Related Articles

Flowtech 12168FLT Small Block Ford Turbo Headers, Polished 304

Flowtech 11706-1FLT Tight Fit Block Hugger Header, Silver Metallic

Flowtech 11706FLT Tight Fit Block Hugger Header, Black Paint

Flowtech 10002FLT Reducer Kit, 10 Pair, 3-Bolt, 3 Inch x 2.5 Inch

Flowtech 32166FLT Small Block Ford Turbo Headers, Ceramic Coated

Flowtech 53630FLT Warlock Universal Fit X-Pipe, 2-1/2 Inch Diameter

Flowtech 11569FLT Small Block Chevy Turbo Headers

Flowtech 11576FLT Shorty Headers, GM LS Universal, Polished

Flowtech 50225FLT Purple Hornies Slip-Fit Muffler, 2-1/4 Inch Inlet

Flowtech 50251FLT Red Hot Glass Pack Muffler, Slip-Fit

Flowtech 50252FLT Red Hot Glass Pack Muffler, Slip-Fit

Flowtech 53620FLT X-Terminator Off Road Universal X-Pipe, 2-1/2 Inch

Flowtech 53621FLT X-Terminator Off Road Universal X-Pipe, 3 Inch

Flowtech 11705-7FLT Block Hugger Header, SB Chevy, Stainless Steel

Flowtech 50050FLT Raptor Turbo Performance Muffler

Flowtech 10004FLT Reducer Kit, One Pair, 3-Bolt

Flowtech 31730-3FLT LS Swap Exhaust Manifolds, Black Ceramic

Flowtech 49150FLT Afterburner Headers, Painted

Flowtech 31530FLTLong Tube Header, Ceramic Coated

Flowtech 11530FLT Long Tube Header, 1.75 Inch Tube Size

Flowtech 31506FLT Long Tube Header, Ceramic Coated

Flowtech 11506FLT Long Tube Header, 1.625 Inch Tube Size

Flowtech 11510FLT Long Tube Header, 1.5 Inch Tube Size

Flowtech 11500FLT, Long Tube Header, 3 Inch Collector Size

Flowtech 31500FLT, Long Tube Header, Ceramic Coated

Flowtech 31100FLT Long Tube Header, Ceramic Coated

Flowtech 11100FLT Long Tube Header, 3 Inch Collector Size

Flowtech 99153FLT Real-Seal Exhaust Gaskets,Big Block Chevy Round Port

Flowtech 10105FLT 3-Bolt Reducer w/ O2 Sensor Fitting, 2.5 Inch

Flowtech 99150AFLT Small Block Chevy Square Port Header Gaskets

Models: