GMC PM251 Headers and Exhaust Parts

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MagnaFlow |

#37635237

MagnaFlow 35237 Stainless 5 Inch Round Black Coated Exhaust Tip

Exhaust Tubing Diameter:

3-1/2 Inch

Finish:

Painted

$225.00

/each

$342.13

$112 Off

MagnaFlow |

#37635238

MagnaFlow 35238 Stainless 5 Inch Round Black Coated Exhaust Tip

Exhaust Tubing Diameter:

4 Inch

Finish:

Powder Coated

$215.00

/each

$327.03

-8%

Flowmaster |

#37815316

Flowmaster 15316 Exhaust Tip, 2.5 in. Inlet I.D., 8.5 in. Length

Exhaust Tubing Diameter:

2-1/2 Inch

Finish:

Brushed

$181.95

/each

$197.95

-7%

Flowmaster |

#37815365

Flowmaster 15365 Exhaust Tip, 2.5 in. Inlet, 7.5 in. Long

Exhaust Tubing Diameter:

2-1/2 Inch

Finish:

Polished

$103.95

/each

$112.95

-8%

Flowmaster |

#37815369

Flowmaster 15369 Exhaust Tip, 2.5 in. Inlet

Exhaust Tubing Diameter:

2-1/2 Inch

Finish:

Polished

$108.95

/each

$118.95

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.

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.

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.

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.

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.

241 Hemi Long Block Rebuild Part One

Speedway Motors employee Tim M. has been chipping away steadily at his '29 roadster for awhile now. This time Tim tackles one of the big pieces, the long block rebuild of his 241 Red Ram Hemi.

241 Dodge Hemi Distributor Rebuild

Tim M. continues his quest to breathe life into a tired old 241 Dodge baby Hemi. This round, Tim dives into giving the 241 an electrifying makeover, courtesy of a Pertonix electronic ignition system, all cleverly hidden inside existing hardware.

-8%

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 |

#37815393

Flowmaster 15393 Exhaust Tip, 3 in. Inlet I.D., 7 in. Length

Exhaust Tubing Diameter:

3 Inch

Finish:

Polished

$207.95

/each

$224.95

-7%

Flowmaster |

#37815400

Flowmaster 15400 4 In. Exhaust Tip, Carbon Fiber, Fits 2.5 In.

Exhaust Tubing Diameter:

2-1/2 Inch

Finish:

Carbon Fiber

$184.95

/each

$200.95

-34%

MagnaFlow |

#37612214

MagnaFlow 12214 5x8 Inch Oval Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

Outlet Diameter:

$123.00

/each

$187.28

$728 Off

MagnaFlow |

#37610723

MagnaFlow 10723 3 Inch 180 Degree Bend Exhaust Pipe, 10 Pack

Exhaust Tubing Diameter:

3 Inch

Exhaust Pipe Type:

Custom Tubing

Outside Diameter:

3.00"

$1,391.00

/each

$2,119.47

$518 Off

MagnaFlow |

#37610725

MagnaFlow 10725 3 Inch 45 Degree Bend Exhaust Pipe, 10 Pack

Exhaust Tubing Diameter:

3 Inch

Exhaust Pipe Type:

Elbow/Connector

Outside Diameter:

3.00"

$989.00

/each

$1,506.64

-34%

MagnaFlow |

#37610733

MagnaFlow 10733 2.5 Inch Performance Stainless 70 Degree Y-Pipe

Exhaust Tubing Diameter:

2-1/2 Inch

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$84.00

/each

$127.47

-34%

MagnaFlow |

#37612251

MagnaFlow 12251 5x8 Inch Oval Center/Dual Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.25"

Outlet Diameter:

2.25"

$164.00

/each

$249.63

-34%

MagnaFlow |

#37610735

MagnaFlow 10735 2.5x2 Inch Performance Stainless 10 Degree Y-Pipe

Exhaust Tubing Diameter:

2-1/2 Inch

Inlet Diameter:

2.5"

Outlet Diameter:

$94.00

/each

$142.77

-34%

MagnaFlow |

#37610739

MagnaFlow 10739 3 Inch 45 Degree Bend Performance Exhaust Pipe

Exhaust Tubing Diameter:

3 Inch

Exhaust Pipe Type:

Elbow/Connector

Outside Diameter:

3.00"

$109.00

/each

$165.68

-34%

MagnaFlow |

#37612276

MagnaFlow 12276 5x8 Inch Oval Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$174.00

/each

$264.35

-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 |

#37612368

MagnaFlow 12368 5x8 Inch Oval Center/Dual Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$187.00

/each

$284.94

$109 Off

MagnaFlow |

#37612588

MagnaFlow 12588 5x11 Inch Oval Center/Dual Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

Outlet Diameter:

2.5"

$209.00

/each

$318.22

-34%

MagnaFlow |

#37610435

MagnaFlow 10435 4x4 Inch Round Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.25"

Outlet Diameter:

2.25"

$132.00

/each

$200.08

-34%

MagnaFlow |

#37610436

MagnaFlow 10436 4x4 Inch Round Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$128.00

/each

$195.01

-34%

MagnaFlow |

#37610445

MagnaFlow 10445 4x4 Inch Round Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.25"

Outlet Diameter:

2.25"

$129.00

/each

$196.22

$420 Off

MagnaFlow |

#37610701

MagnaFlow 10701 2.25 Inch Stainless Custom Builder Exhaust System

Exhaust System Type:

Header-Back

Single or Dual:

Dual

Exhaust Tubing Diameter:

2-1/4 Inch

$802.00

/each

$1,222.01

$109 Off

MagnaFlow |

#37614821

MagnaFlow 14821 6x6 Inch Round Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.25"

Outlet Diameter:

4.5"

$208.00

/each

$316.99

$143 Off

MagnaFlow |

#37614826

MagnaFlow 14826 7x7 Inch Round Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.25"

Outlet Diameter:

$272.00

/each

$414.52

$140 Off

MagnaFlow |

#37614829

MagnaFlow 14829 5x8 Inch Oval Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.25"

Outlet Diameter:

$269.00

/each

$409.05

$112 Off

MagnaFlow |

#37614846

MagnaFlow 14846 6x6 Inch Round Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.25"

Outlet Diameter:

$215.00

/each

$327.32

$177 Off

MagnaFlow |

#37614869

MagnaFLow 14869 5 Inch Round Performance Muffler With Tip

Muffler Type:

Straight-Through

Inlet Diameter:

2.25"

Outlet Diameter:

$339.00

/each

$515.56

-34%

MagnaFlow |

#37610741

MagnaFlow 10741 2.5 Inch 3 in 1 Performance Exhaust Pipe

Exhaust Tubing Diameter:

2-1/2 Inch

Exhaust Pipe Type:

Custom Tubing

Outside Diameter:

2.50"

$159.00

/each

$241.58

-34%

MagnaFlow |

#37610744

MagnaFlow 10744 2.5 In. Performance Exhaust Stainless Ball Flange

(1)

Exhaust Tubing Diameter:

2-1/2 Inch

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$171.00

/each

$259.92

-34%

MagnaFlow |

#37610748

MagnaFlow 10748 2.5x2 Inch Performance Stainless Straight Y-Pipe

Exhaust Tubing Diameter:

2-1/2 Inch

Inlet Diameter:

2.5"

Outlet Diameter:

$86.00

/each

$130.68

-34%

MagnaFlow |

#37610758

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

Exhaust Tubing Diameter:

2-1/2 Inch

Inlet Diameter:

2.5"

Outlet Diameter:

2.25"

$86.00

/each

$130.68

$702 Off

MagnaFlow |

#37610760

MagnaFlow 10760 2.25 Inch 3 in 1 Performance Exhaust Pipe

Exhaust Tubing Diameter:

2-1/4 Inch

Exhaust Pipe Type:

Custom Tubing

Outside Diameter:

2.25"

$1,341.00

/each

$2,042.72

-33%

MagnaFlow |

#37610706

MagnaFlow 10706 2.5 In 90 Degree Bend Performance Exhaust Pipe

Exhaust Tubing Diameter:

2-1/2 Inch

Exhaust Pipe Type:

Elbow/Connector

Outside Diameter:

2.50"

$93.00

/each

$140.40

-34%

MagnaFlow |

#37610716

MagnaFlow 10716 2.5 Inch 180 Degree Bend Performance Exhaust Pipe

Exhaust Tubing Diameter:

2-1/2 Inch

Exhaust Pipe Type:

Elbow/Connector

Outside Diameter:

2.50"

$126.00

/each

$191.00

$439 Off

MagnaFlow |

#37610720

MagnaFlow 10720 2.5 Inch 90 Degree Bend Exhaust Pipe, 10 Pack

Exhaust Tubing Diameter:

2-1/2 Inch

Exhaust Pipe Type:

Elbow/Connector

Outside Diameter:

2.50"

$838.00

/each

$1,276.79

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GMC PM251 Headers and Exhaust Parts

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Products

MagnaFlow 35237 Stainless 5 Inch Round Black Coated Exhaust Tip

MagnaFlow 35238 Stainless 5 Inch Round Black Coated Exhaust Tip

Flowmaster 15316 Exhaust Tip, 2.5 in. Inlet I.D., 8.5 in. Length

Flowmaster 15365 Exhaust Tip, 2.5 in. Inlet, 7.5 in. Long

Flowmaster 15369 Exhaust Tip, 2.5 in. Inlet

Related Articles

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

Flowmaster 15393 Exhaust Tip, 3 in. Inlet I.D., 7 in. Length

Flowmaster 15400 4 In. Exhaust Tip, Carbon Fiber, Fits 2.5 In.

MagnaFlow 12214 5x8 Inch Oval Center/Center Stainless Muffler

MagnaFlow 10723 3 Inch 180 Degree Bend Exhaust Pipe, 10 Pack

MagnaFlow 10725 3 Inch 45 Degree Bend Exhaust Pipe, 10 Pack

MagnaFlow 10733 2.5 Inch Performance Stainless 70 Degree Y-Pipe

MagnaFlow 12251 5x8 Inch Oval Center/Dual Stainless Muffler

MagnaFlow 10735 2.5x2 Inch Performance Stainless 10 Degree Y-Pipe

MagnaFlow 10739 3 Inch 45 Degree Bend Performance Exhaust Pipe

MagnaFlow 12276 5x8 Inch Oval Center/Center Stainless Muffler

MagnaFlow 12279 5x8 Inch Oval Center/Center Stainless Muffler

MagnaFlow 12368 5x8 Inch Oval Center/Dual Stainless Muffler

MagnaFlow 12588 5x11 Inch Oval Center/Dual Stainless Muffler

MagnaFlow 10435 4x4 Inch Round Center/Center Stainless Muffler

MagnaFlow 10436 4x4 Inch Round Center/Center Stainless Muffler

MagnaFlow 10445 4x4 Inch Round Center/Center Stainless Muffler

MagnaFlow 10701 2.25 Inch Stainless Custom Builder Exhaust System

MagnaFlow 14821 6x6 Inch Round Center/Center Stainless Muffler

MagnaFlow 14826 7x7 Inch Round Center/Center Stainless Muffler

MagnaFlow 14829 5x8 Inch Oval Center/Center Stainless Muffler

MagnaFlow 14846 6x6 Inch Round Center/Center Stainless Muffler

MagnaFLow 14869 5 Inch Round Performance Muffler With Tip

MagnaFlow 10741 2.5 Inch 3 in 1 Performance Exhaust Pipe

MagnaFlow 10744 2.5 In. Performance Exhaust Stainless Ball Flange

MagnaFlow 10748 2.5x2 Inch Performance Stainless Straight Y-Pipe

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

MagnaFlow 10760 2.25 Inch 3 in 1 Performance Exhaust Pipe

MagnaFlow 10706 2.5 In 90 Degree Bend Performance Exhaust Pipe

MagnaFlow 10716 2.5 Inch 180 Degree Bend Performance Exhaust Pipe

MagnaFlow 10720 2.5 Inch 90 Degree Bend Exhaust Pipe, 10 Pack