GMC R2500 Headers and Exhaust Parts

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GMC R2500

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Flowmaster |

#37815389

Flowmaster 15389 Exhaust Tip, 2.50 in. Inlet, 10 in. Long

Exhaust Tubing Diameter:

2-1/2 Inch

Finish:

Polished

$169.95

/each

$184.95

-7%

Flowmaster |

#37815930FM

Flowmaster 15930FM Header Collector Ball Flange Kit, 3 In to 3 In

GTIN Code:

700042018659

$207.95

/each

$224.95

VS Racing |

#60335303

VS Racing GT35303 Stainless Steel 3" Exhaust Clamp/Flange

Exhaust Clamp Type:

V-Band

Inside Diameter:

$45.99

/each

Smoothie Rams Horn Exhaust Manifolds, Small Block Chevy, Chrome

Speedway Motors |

#9300332

Smoothie Rams Horn Exhaust Manifolds, Small Block Chevy, Chrome

(9)

Finish:

Chrome

Collector Diameter:

2-1/2 Inch

$395.99

/pair

Stainless Steel Chamber Muffler, 3 Inch, Offset/Offset

Speedway Motors |

#9302008

Stainless Steel Chamber Muffler, 3 Inch, Offset/Offset

(3)

Muffler Type:

Chambered

Inlet Diameter:

Outlet Diameter:

$86.99

/each

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.

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.

Building Custom 241 Red Ram Driveshaft Headers

In this detailed article, Tim will guide you on how to build a custom set of 241 Red Ram Hemi driveshaft headers. From the concept to the materials needed, he'll show you how the mockup and final assembly steps.

Tuning Tips after Header Installation

Making the switch from manifolds to headers is a popular performance upgrade, but it may take more than just bolting on the new part. We provide some tips and things to consider after you bolt on a new set of headers.

Tri-5 Headers with a Rack and Pinion System

In this Tech Tip, John explains the design behind a set of headers destined for a Tri-5 using a traditional rack and pinion style steering system.

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.

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.

Selecting the Right Demo Derby Headers

Check out these tips on the large variety of Demo Derby headers that Speedway Speedway offers. Here, Jeremy will walk you through the many different styles and brands available showcasing which style might fit best in your application.

Speedway Roadster Headers for a 305 Trike

In this Tech Tip, a customer asked about using a set of Small Block Chevy Sprint Roadster headers for his trike, powered by a stock 305.

Speedway Tech Talk - Derby Car Headers

Jeremy explains the different options of headers that Speedway Motors offers for Demolition Derby cars. Watch this video to see a variety of options and the benefits of certain headers.

Replacement Fiberglass Packing Material for Insert Mufflers

Patriot Exhaust |

#9303846

Replacement Fiberglass Packing Material for Insert Mufflers

(6)

Overall Width:

15"

Overall Height:

.500"

$13.49

/each

Speedway Motors |

#91013340

Exhaust Dump Tubes

(28)

Exhaust Tubing Diameter:

2 Inch

Outlet Diameter (Fraction):

Sold in Quantity:

Each

as low as

$25.99

/each

Hooker Headers |

#91602114

Hooker Headers LS Turbo Exhaust System Kit, TH350/400

(3)

Exhaust System Type:

Turbo-Back

Single or Dual:

Dual

Exhaust System Kit Type:

Direct Fit

$1,199.90

/kit

Granatelli Motor Sports |

#91001327

Granatelli Motor Sports 302300 Oval Exhaust Flange, Stainless, 3"

(1)

Finish:

Natural

Sold in Quantity:

Each

$41.84

/each

$105 Off

MagnaFlow |

#37612388

MagnaFlow 12388 5x8 Inch Oval Center/Dual Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

Outlet Diameter:

2.5"

$201.00

/each

$305.94

-34%

MagnaFlow |

#37612279

MagnaFlow 12279 5x8 Inch Oval Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

Outlet Diameter:

$185.00

/each

$281.63

-34%

MagnaFlow |

#37610169

MagnaFlow 10169 3 Inch Performance Exhaust Stainless V-Band Clamp

Exhaust Clamp Type:

V-Band

Inside Diameter:

$101.00

/each

$153.36

-34%

MagnaFlow |

#37610425

MagnaFlow 10425 4x4 Inch Round Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.25"

Outlet Diameter:

2.25"

$119.00

/each

$180.77

-33%

Exhaust Tubing Diameter:

3 Inch

Inlet Diameter:

Outlet Diameter:

$88.00

/each

$132.92

Spectre 4642 Header Reducer Kit, 2-1/2 Inlet, 2-1/4 Inch Outlet, Pair

Spectre Performance |

#4654642

Spectre 4642 Header Reducer Kit, 2-1/2 Inlet, 2-1/4 Inch Outlet, Pair

(2)

Material Type:

Steel

Flange Style:

3-Bolt

$34.99

/pair

DEi 010122 Exhaust Pipe Wrap and Locking Ties Kit, 2 Inch x 25 Ft, Tan

DEI |

#35610122

DEi 010122 Exhaust Pipe Wrap and Locking Ties Kit, 2 Inch x 25 Ft, Tan

(7)

Overall Width:

2.00"

Sold in Quantity:

Each

$29.99

/each

-20%

Vibrant |

(9)

Exhaust Tubing Diameter:

2-1/4 Inch

Exhaust Pipe Type:

Elbow/Connector

Outside Diameter:

2.25"

$28.99

/each

Mild Steel Exhaust Pipe Mandrel Bend, 90 Degree, 2-1/4 Inch

Speedway Motors |

#91013876

Mild Steel Exhaust Pipe Mandrel Bend, 90 Degree, 2-1/4 Inch

(3)

Exhaust Tubing Diameter:

2-1/4 Inch

Exhaust Pipe Type:

Elbow/Connector

Outside Diameter:

2.25"

$30.99

/each

LS Swap Exhaust Manifolds w/ V-Band for LS1, 5.3, 6.0, 4.8, LS3

Speedway Motors |

#91009944

LS Swap Exhaust Manifolds w/ V-Band for LS1, 5.3, 6.0, 4.8, LS3

(1)

Material Type:

Cast Iron

Hardware Included:

Yes

as low as

$329.99

/pair

-11%

Flowmaster |

#378942552

Flowmaster 942552 50 Series Delta Flow Muffler, 2.50 In/Out

Muffler Type:

Chambered

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$173.95

/each

$195.95

Hedman Hedders |

#41829002

Hedman Hedders 29002 1-1/2 Inch 120 Degree 2 Inch Exhaust Pipe

Exhaust Tubing Diameter:

1-1/2 Inch

Exhaust Pipe Type:

Custom Tubing

$17.49

/each

Hedman Hedders |

#41829109

Hedman Hedders 29109 Exhaust Header Collector 3-1/2 Inch, Slip On

Color:

Natural

Sold in Quantity:

Each

$109.99

/each

-7%

Flowmaster |

#3788325408

Flowmaster 8325408 Delta Force 40 Series Race Muffler 2.50 In/Out

Muffler Type:

Chambered

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$189.95

/each

$205.95

-8%

Flowmaster |

#37815396B

Flowmaster 15396B 4 In. Exhaust Tip, Black Ceramic, Fits 2.5 In.

Exhaust Tubing Diameter:

2-1/2 Inch

Finish:

Ceramic Coated

$133.95

/each

$145.95

Flowmaster |

#3788430408

Flowmaster 8430408 Delta Force 40 Series Race Muffler 3.00 In/Out

Muffler Type:

Chambered

Inlet Diameter:

Outlet Diameter:

$104.95

/each

Speedway Motors |

#91013839

Header Collector, 1 7/8 Inch Primaries

(2)

Material Type:

Steel

Finish:

Natural

Sold in Quantity:

Each

$34.99

/each

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GMC R2500 Headers and Exhaust Parts

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Products

Flowmaster 15389 Exhaust Tip, 2.50 in. Inlet, 10 in. Long

Flowmaster 15930FM Header Collector Ball Flange Kit, 3 In to 3 In

VS Racing GT35303 Stainless Steel 3" Exhaust Clamp/Flange

Smoothie Rams Horn Exhaust Manifolds, Small Block Chevy, Chrome

Stainless Steel Chamber Muffler, 3 Inch, Offset/Offset

Related Articles

Replacement Fiberglass Packing Material for Insert Mufflers

Exhaust Dump Tubes

Hooker Headers LS Turbo Exhaust System Kit, TH350/400

Granatelli Motor Sports 302300 Oval Exhaust Flange, Stainless, 3"

MagnaFlow 12388 5x8 Inch Oval Center/Dual Stainless Muffler

MagnaFlow 12279 5x8 Inch Oval Center/Center Stainless Muffler

MagnaFlow 10169 3 Inch Performance Exhaust Stainless V-Band Clamp

MagnaFlow 10425 4x4 Inch Round Center/Center Stainless Muffler

MagnaFlow 10160 2 Inch Performance Exhaust Stainless Band Clamp

MagnaFlow 10701 2.25 Inch Stainless Custom Builder Exhaust System

MagnaFlow 10762 3 Inch 3 in 1 Performance Exhaust Stainless Pipe

MagnaFlow 12577 5x11 Inch Oval Offset/Offset Stainless Muffler

MagnaFlow 12646 6x6 Inch Round Center/Center Stainless Muffler

MagnaFlow 10733 2.5 Inch Performance Stainless 70 Degree Y-Pipe

MagnaFlow 10758 2.5x2.25 In Performance Stainless Straight Y-Pipe

MagnaFlow 10798 3 Inch Performance Stainless Straight Y-Pipe

Spectre 4642 Header Reducer Kit, 2-1/2 Inlet, 2-1/4 Inch Outlet, Pair

DEi 010122 Exhaust Pipe Wrap and Locking Ties Kit, 2 Inch x 25 Ft, Tan

Vibrant 10353 2-1 Merge Collectors

Borla® 40358 ProXS™ Muffler, 2.5 Center In/Offset Out

Porter Muffler PM40250 Standard Muffler, 2.50 Inch Inlet/Outlet

Mild Steel Exhaust Pipe Mandrel Bend, 45 Degree, 2-1/4 Inch

Mild Steel Exhaust Pipe Mandrel Bend, 90 Degree, 2-1/4 Inch

LS Swap Exhaust Manifolds w/ V-Band for LS1, 5.3, 6.0, 4.8, LS3

Flowmaster 942552 50 Series Delta Flow Muffler, 2.50 In/Out

Hedman Hedders 29002 1-1/2 Inch 120 Degree 2 Inch Exhaust Pipe

Hedman Hedders 29109 Exhaust Header Collector 3-1/2 Inch, Slip On

Flowmaster 8325408 Delta Force 40 Series Race Muffler 2.50 In/Out

Flowmaster 15396B 4 In. Exhaust Tip, Black Ceramic, Fits 2.5 In.

Flowmaster 8430408 Delta Force 40 Series Race Muffler 3.00 In/Out

Header Collector, 1 7/8 Inch Primaries