1987 GMC G2500 Headers and Exhaust Parts

1,852 products fit your

1987 GMC G2500

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1987 GMC G2500

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-8%

Flowmaster |

#3788325508

Flowmaster 8325508 Delta Force 50 Series Race Muffler 2.50 In/Out

Muffler Type:

Chambered

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$226.95

/each

$246.95

-9%

Flowmaster |

#3788425152

Flowmaster 8425152 Super 10 Series Muffler, 2.50 In/ 2.25 Out

Muffler Type:

Chambered

Inlet Diameter:

2.5"

Outlet Diameter:

2.25"

$101.95

/each

$112.95

-11%

Flowmaster |

#3788425154

Flowmaster 8425154 Super 10 Series Muffler, 2.50 In/Out

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$101.95

/each

$114.95

-7%

Flowmaster |

#378815933

Flowmaster 815933 Scavenger Series Universal X-Pipe Kit, 3 Inch

Exhaust Tubing Diameter:

3 Inch

Finish:

Raw

$478.95

/kit

$518.95

-8%

Flowmaster |

#378815953

Flowmaster 815953 Scavenger X-Pipe, 2.5 in. Diameter

Exhaust Tubing Diameter:

2-1/2 Inch

Finish:

Polished

$118.95

/each

$129.95

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.

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.

Replacing a G-Body 7.5" Bolt Rear End

Learn about the power behind the G-body platform and the steps to upgrade a 7.5" bolt rear end to a 8.5" to withstand high horsepower. See how to change the differential fluid and install new gaskets.

Rebuilding Junkyard SBC Vortec Cylinder Heads

Learn how to re-build a junkyard Small Block Chevy. A step-by-step guide on how to select a SBC, machine the valve guide bosses down, and what parts to use to upgrade to your personal liking.

-11%

Flowmaster |

#3789425452

Flowmaster 9425452 Super 44 Series Muffler, 2.50 In/ 2.25 Out

Muffler Type:

Chambered

Inlet Diameter:

2.5"

Outlet Diameter:

2.25"

$137.95

/each

$155.95

-11%

Flowmaster |

#3788430502

Flowmaster 8430502 50 Series Delta Flow Muffler 3.00 In/ 2.50 Out

Muffler Type:

Chambered

Inlet Diameter:

Outlet Diameter:

2.5"

$188.95

/each

$212.95

-7%

Flowmaster |

#3788435119

Flowmaster 8435119 Delta Force 10 Series Muffler, 3.50 In/Out

Inlet Diameter:

3.5"

Outlet Diameter:

3.5"

$222.95

/each

$241.95

-8%

Flowmaster |

#3788435409

Flowmaster 8435409 Delta Force 40 Series Race Muffler 3.50 In/Out

Muffler Type:

Chambered

Inlet Diameter:

3.5"

Outlet Diameter:

3.5"

$199.95

/each

$218.95

-9%

Flowmaster |

#37843043

Flowmaster Mufflers 43043 40 Series Muffler, Offset Inlet/Outlet, 3 In

(1)

Muffler Type:

Reflection

Inlet Diameter:

Outlet Diameter:

$101.95

/each

$112.95

-11%

Flowmaster |

#3788530552

Flowmaster 8530552 Stainless 50 Series Muffler, 3.00 In/ 2.50 Out

Muffler Type:

Chambered

Inlet Diameter:

Outlet Diameter:

2.5"

$224.95

/each

$253.95

-7%

Flowmaster |

#378854040-10

Flowmaster 854040-10 Delta Force 40 Series Race Muffler, 4 In/Out

Muffler Type:

Chambered

Inlet Diameter:

Outlet Diameter:

$278.95

/each

$302.95

-11%

Flowmaster |

#3788425810

Flowmaster 8425810 Super 10 Series, 2.50 in In/Out

Muffler Type:

Chambered

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$170.95

/each

$192.95

-9%

Flowmaster |

#378843015

Flowmaster 843015 Super 10 Series Muffler, 3.00 In/Out

Muffler Type:

Chambered

Inlet Diameter:

Outlet Diameter:

$101.95

/each

$112.95

Flowmaster |

#3788430408

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

Muffler Type:

Chambered

Inlet Diameter:

Outlet Diameter:

$104.95

/each

-11%

Flowmaster |

#378524704

Flowmaster 524704 70 Series Big Block II Muffler, 2.25 In/Out

Muffler Type:

Chambered

Inlet Diameter:

2.25"

Outlet Diameter:

2.25"

$249.95

/each

$281.95

Flowmaster |

#37871229

Flowmaster 71229 FlowFX Muffler 3.00 Offset In, 3.00 Center Out

(3)

Muffler Type:

Perforated Tube w/Packing

Inlet Diameter:

Outlet Diameter:

$109.95

/each

Flowmaster |

#37871236

Flowmaster 71236 FlowFX Muffler 2.50 Offset In, 2.50 Offset Out

(4)

Muffler Type:

Perforated Tube w/Packing

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$99.95

/each

-11%

Flowmaster |

#378942551

Flowmaster 942551 50 Series Delta Flow Muffler, 2.50 In/Out

(2)

Muffler Type:

Chambered

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$173.95

/each

$195.95

-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

-8%

Flowmaster |

#378Y250300

Flowmaster Y250300 Scavenger Series Y Collector, 2.5 Pri / 3 Col

Hardware Included:

Exhaust Tubing Diameter:

2-1/2 Inch

Finish:

Aluminized

$124.95

/each

$136.95

-33%

MagnaFlow |

#37610168

MagnaFlow 10168 2.5 In Performance Exhaust Stainless V-Band Clamp

Exhaust Clamp Type:

V-Band

Inside Diameter:

2.5"

$98.00

/each

$148.32

-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

-9%

Flowmaster |

#378425403

Flowmaster 425403 40 Series Muffler 2.50 Dual In, 3.00 Center Out

(1)

Inlet Diameter:

2.5"

Outlet Diameter:

$101.95

/each

$112.95

-9%

Flowmaster |

#378425404

Flowmaster 425404 40 Series Muffler, 2.50 IN(D)/OUT(D)

Muffler Type:

Chambered

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$101.95

/each

$112.95

-33%

MagnaFlow |

#37610731

MagnaFlow 10731 2.5 Inch Performance Exhaust Stainless U-Pipe

Exhaust Tubing Diameter:

2-1/2 Inch

Exhaust Pipe Type:

Elbow/Connector

$101.00

/each

$152.96

-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 |

#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 |

#37614714

MagnaFlow 14714 7x7 Inch Round Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

Outlet Diameter:

$156.00

/each

$236.86

-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

$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

$110 Off

MagnaFlow |

#37614822

MagnaFlow 14822 6x6 Inch Round Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.25"

Outlet Diameter:

4.5"

$212.00

/each

$322.37

$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

-34%

MagnaFlow |

#37610743

MagnaFlow 10743 2.25 Inch Performance Exhaust Ball Flange

Exhaust Tubing Diameter:

2-1/4 Inch

Inlet Diameter:

2.25"

Outlet Diameter:

2.25"

$168.00

/each

$254.63

-34%

MagnaFlow |

#37635114

MagnaFlow 35114 Stainless 3.5 Inch Round Polished Exhaust Tip

Exhaust Tubing Diameter:

2-1/2 Inch

Finish:

Polished

$84.00

/each

$127.70

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1987 GMC G2500 Headers and Exhaust Parts

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Products

Flowmaster 8325508 Delta Force 50 Series Race Muffler 2.50 In/Out

Flowmaster 8425152 Super 10 Series Muffler, 2.50 In/ 2.25 Out

Flowmaster 8425154 Super 10 Series Muffler, 2.50 In/Out

Flowmaster 815933 Scavenger Series Universal X-Pipe Kit, 3 Inch

Flowmaster 815953 Scavenger X-Pipe, 2.5 in. Diameter

Related Articles

Flowmaster 9425452 Super 44 Series Muffler, 2.50 In/ 2.25 Out

Flowmaster 8430502 50 Series Delta Flow Muffler 3.00 In/ 2.50 Out

Flowmaster 8435119 Delta Force 10 Series Muffler, 3.50 In/Out

Flowmaster 8435409 Delta Force 40 Series Race Muffler 3.50 In/Out

Flowmaster Mufflers 43043 40 Series Muffler, Offset Inlet/Outlet, 3 In

Flowmaster 8530552 Stainless 50 Series Muffler, 3.00 In/ 2.50 Out

Flowmaster 854040-10 Delta Force 40 Series Race Muffler, 4 In/Out

Flowmaster 8425810 Super 10 Series, 2.50 in In/Out

Flowmaster 843015 Super 10 Series Muffler, 3.00 In/Out

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

Flowmaster 524704 70 Series Big Block II Muffler, 2.25 In/Out

Flowmaster 71229 FlowFX Muffler 3.00 Offset In, 3.00 Center Out

Flowmaster 71236 FlowFX Muffler 2.50 Offset In, 2.50 Offset Out

Flowmaster 942551 50 Series Delta Flow Muffler, 2.50 In/Out

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

Flowmaster Y250300 Scavenger Series Y Collector, 2.5 Pri / 3 Col

MagnaFlow 10168 2.5 In Performance Exhaust Stainless V-Band Clamp

MagnaFlow 10169 3 Inch Performance Exhaust Stainless V-Band Clamp

Flowmaster 425403 40 Series Muffler 2.50 Dual In, 3.00 Center Out

Flowmaster 425404 40 Series Muffler, 2.50 IN(D)/OUT(D)

MagnaFlow 10731 2.5 Inch Performance Exhaust Stainless U-Pipe

MagnaFlow 10733 2.5 Inch Performance Stainless 70 Degree Y-Pipe

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

MagnaFlow 10739 3 Inch 45 Degree Bend Performance Exhaust Pipe

MagnaFlow 14714 7x7 Inch Round Center/Center Stainless Muffler

MagnaFlow 10741 2.5 Inch 3 in 1 Performance Exhaust Pipe

MagnaFlow 14821 6x6 Inch Round Center/Center Stainless Muffler

MagnaFlow 14822 6x6 Inch Round Center/Center Stainless Muffler

MagnaFlow 14826 7x7 Inch Round Center/Center Stainless Muffler

MagnaFlow 10743 2.25 Inch Performance Exhaust Ball Flange

MagnaFlow 35114 Stainless 3.5 Inch Round Polished Exhaust Tip