GMC C25 Headers and Exhaust Parts

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GMC C25

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APR EXH0171 Y Splitter, 70mm/2.75In To Dual 63.5mm/2.5In, Cast SS

APR |

#425EXH0171

APR EXH0171 Y Splitter, 70mm/2.75In To Dual 63.5mm/2.5In, Cast SS

Hardware Included:

Exhaust Tubing Diameter:

2-3/4 Inch

Finish:

Raw

$49.95

/each

Flowtech 50552FLT Warlock BYPASS Series Racing Muffler, 2-1/2 Inch

Flowtech Exhaust |

#42550552FLT

Flowtech 50552FLT Warlock BYPASS Series Racing Muffler, 2-1/2 Inch

Muffler Type:

Turbo-style/Straight-through

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$94.95

/each

APR MUH0007 Premium Sound Absorption Muffler, Dual 8.66x6.65x10.2

APR |

#425MUH0007

APR MUH0007 Premium Sound Absorption Muffler, Dual 8.66x6.65x10.2

Muffler Type:

Straight-Through

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$224.95

/each

APR MUH0010 Premium Sound Absorption Muffler, Dual 8.66x6.65x8.31

APR |

#425MUH0010

APR MUH0010 Premium Sound Absorption Muffler, Dual 8.66x6.65x8.31

Muffler Type:

Straight-Through

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$214.95

/each

APR MUH0013 Premium Sound Absorption Muffler, Triangle 76mm/3" In

APR |

#425MUH0013

APR MUH0013 Premium Sound Absorption Muffler, Triangle 76mm/3" In

Muffler Type:

Straight-Through

Inlet Diameter:

Outlet Diameter:

$159.95

/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.

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.

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.

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.

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.

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.

Exhaust Repair

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

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.

APR MUH0022 Premium Sound Absorption Muffler, Oval 63.5mm/2.5" In

APR |

#425MUH0022

APR MUH0022 Premium Sound Absorption Muffler, Oval 63.5mm/2.5" In

Muffler Type:

Straight-Through

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$174.95

/each

-7%

Hooker BHS518 Blackheart LT Swap Exhaust Manifolds, Black Ceramic

Hooker Headers |

#425BHS518

Hooker BHS518 Blackheart LT Swap Exhaust Manifolds, Black Ceramic

Finish:

Ceramic Coated

Collector Diameter:

2-1/2 Inch

$571.95

/set

$618.95

-7%

Hooker 71014303-RHKR Oxygen Sensor O2 Bung 2.25 Inch Clamp-On Style

Hooker Headers |

#42571014303RHKR

Hooker 71014303-RHKR Oxygen Sensor O2 Bung 2.25 Inch Clamp-On Style

GTIN Code:

090127733851

Thread Pitch:

18mm x 1.50

$51.95

/each

$56.19

-6%

Hooker Headers |

#4258540HKR

Hooker Headers 8540HKR GM LT Turbo Exhaust Manifolds, Natural

Finish:

Natural

Collector Diameter:

3 Inch

$699.95

/kit

$749.95

Hooker BlackHeart BHC304 Exhaust Tips, 2.5 Inch Rectangular Oval

Hooker Headers |

#425BHC304

Hooker BlackHeart BHC304 Exhaust Tips, 2.5 Inch Rectangular Oval

Exhaust Tubing Diameter:

2-1/2 Inch

Finish:

Polished

$84.95

/set

Beyea |

#196300

Beyea TD-3 Turn Down Exhaust Tip, Weld-On, 3 Inch Diameter, Steel

Exhaust Tubing Diameter:

3 Inch

Finish:

Raw

Inlet Diameter:

$24.99

/each

AutoMeter |

#1821258

AutoMeter 1258 Vac/Boost, 2 1/16 Inch

Overall Diameter:

2-1/16

Body Diameter:

2.06"

Gauge Type:

Electric

$258.99

/each

AutoMeter |

#1823404

AutoMeter 3404 Sport-Comp Mechanical Boost Gauge, 35 PSI, 2-5/8

Overall Diameter:

2-5/8

Body Diameter:

2.6"

Gauge Type:

Mechanical

$103.99

/each

APR TPK0004 Slash-Cut Tips, Single-Wall, 4 In, Pol. Silver, Pair

APR |

#425TPK0004

APR TPK0004 Slash-Cut Tips, Single-Wall, 4 In, Pol. Silver, Pair

Exhaust Tubing Diameter:

2-1/2 Inch

Finish:

Polished

$89.95

/pair

AutoMeter |

#1824944

AutoMeter 4944 Pyrometer Gauge, 2 1/16 Inch, 1600 Deg., UL

Gauge Face Color:

Silver

Bezel Finish:

Silver

Overall Diameter:

2-1/16

$235.99

/each

AutoMeter |

#1823859

AutoMeter 3859 Vac/Boost, 2 1/16 Inch

Overall Diameter:

2-1/16

Body Diameter:

2.06"

Gauge Type:

Electric

$244.99

/each

AutoMeter |

#1822681

AutoMeter 2681 Boost Controller, 2 1/16 Inch, Digital

Overall Diameter:

2-1/16

Body Diameter:

2.06"

Gauge Type:

Electric

$538.99

/each

AutoMeter |

#1825744

AutoMeter 5744 Phantom Digital Stepper Motor Pyrometer Gauge

GTIN Code:

046074057441

$231.99

/each

AutoMeter |

#1825750

AutoMeter 5750 Boost, 2 1/16 Inch, 15PSI, Digital, Phantom

Overall Diameter:

2-1/16

Body Diameter:

2.06"

Gauge Type:

Electric

$280.99

/each

AutoMeter |

#1826181

AutoMeter 6181 Boost Controller, 2 1/16 Inch, Digital, Cobalt

Overall Diameter:

2-1/16

Body Diameter:

2.06"

Gauge Type:

Electric

$473.99

/each

AutoMeter |

#1826345

AutoMeter 6345 Pyrometer Gauge, 2 1/16 Inch, 1600 Deg., Black

Gauge Face Color:

Black

Bezel Finish:

Black

Overall Diameter:

2-1/16"

$215.99

/each

AutoMeter |

#1826359

AutoMeter 6359 Sport-Comp Digital Digital Boost/Vacuum Gauge

Overall Diameter:

2-1/16

Body Diameter:

2.06"

Gauge Type:

Electric

$212.99

/each

AutoMeter |

#1826370

AutoMeter 6370 Boost, 2 1/16 Inch, 60PSI, Black Dial, Red Led

Overall Diameter:

2-1/16

Body Diameter:

2.06"

Gauge Type:

Electric

$218.99

/each

AutoMeter |

#1826570

AutoMeter 6570 Boost, 2 1/16 Inch, 60PSI, Silver Dial W/ Red Led

Overall Diameter:

2-1/16

Body Diameter:

2.06"

Gauge Type:

Electric

$218.99

/each

AutoMeter |

#1825244

AutoMeter 5244 Tc Kit, Type K, 3/16 Inch Dia, Open Tip, 10Ft

Sending Unit:

Electrical

Sold in Quantity:

Kit

$177.99

/each

AutoMeter |

#1825247

AutoMeter 5247 Thermocouple Kit, Type K, 3/16 Inch Diameter

Sending Unit:

Electrical

Sold in Quantity:

Each

$206.99

/each

AutoMeter |

#1824306

AutoMeter 4306 Ultra-Lite Mech. Boost Gauge,100 PSI,2-1/16 In.

Overall Diameter:

2-1/16

Body Diameter:

2.06"

Gauge Type:

Mechanical

$98.99

/each

AutoMeter |

#1824344

AutoMeter 4344 Ultra-Lite Digital Stepper Motor Pyrometer Gauge

Gauge Face Color:

Silver

Bezel Finish:

Brushed Aluminum

Overall Diameter:

2-1/16"

$233.99

/each

AutoMeter |

#1823301

AutoMeter 3301 Sport-Comp Mechanical Boost/Vacuum Gauge, 2-1/16

Overall Diameter:

2-1/16

Body Diameter:

2.06"

Gauge Type:

Mechanical

$100.99

/each

AutoMeter |

#1823304

AutoMeter 3304 Sport-Comp Mechanical Boost Gauge, 35 PSI, 2-1/16

Overall Diameter:

2-1/16

Body Diameter:

2.06"

Gauge Type:

Mechanical

$90.99

/each

AutoMeter |

#1822310

AutoMeter 2310 Auto Gage Mechanical Boost/Vacuum Gauge

Overall Diameter:

2-5/8

Body Diameter:

2.6"

Gauge Type:

Mechanical

$75.99

/each

AutoMeter |

#1824701

AutoMeter 4701 Carbon Fiber Mech. Boost/Vac. Gauge,2-1/16 In.

Overall Diameter:

2-1/16

Body Diameter:

2.06"

Gauge Type:

Mechanical

$115.99

/each

AutoMeter |

#1826105

AutoMeter 6105 Cobalt Mechanical Boost Gauge, 2-1/16 Inch, 60 PSI

Overall Diameter:

2-1/16

Body Diameter:

2.06"

Gauge Type:

Mechanical

$105.99

/each

AutoMeter |

#1826144

AutoMeter 6144 Pyrometer Gauge, 2 1/16 Inch, 1600 Deg., Cobalt

Gauge Face Color:

Black

Bezel Finish:

Silver

Overall Diameter:

2-1/16

$234.99

/each

AutoMeter |

#1826159

AutoMeter 6159 Vac/Boost, 2 1/16 Inch, Digital, Cobalt

Overall Diameter:

2-1/16

Body Diameter:

2.06"

Gauge Type:

Electric

$246.99

/each

AutoMeter |

#1826160

AutoMeter 6160 Boost, 2 1/16 Inch, Cobalt

Overall Diameter:

2-1/16

Body Diameter:

2.06"

Gauge Type:

Electric

$247.99

/each

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GMC C25 Headers and Exhaust Parts

Year

Subcategory

Part

Brand

Transmission Family

Availability

Engine Family

Discounts

Price

Customer Rating

Products

APR EXH0171 Y Splitter, 70mm/2.75In To Dual 63.5mm/2.5In, Cast SS

Flowtech 50552FLT Warlock BYPASS Series Racing Muffler, 2-1/2 Inch

APR MUH0007 Premium Sound Absorption Muffler, Dual 8.66x6.65x10.2

APR MUH0010 Premium Sound Absorption Muffler, Dual 8.66x6.65x8.31

APR MUH0013 Premium Sound Absorption Muffler, Triangle 76mm/3" In

Related Articles

APR MUH0022 Premium Sound Absorption Muffler, Oval 63.5mm/2.5" In

Hooker BHS518 Blackheart LT Swap Exhaust Manifolds, Black Ceramic

Hooker 71014303-RHKR Oxygen Sensor O2 Bung 2.25 Inch Clamp-On Style

Hooker Headers 8540HKR GM LT Turbo Exhaust Manifolds, Natural

Hooker BlackHeart BHC304 Exhaust Tips, 2.5 Inch Rectangular Oval

Beyea TD-3 Turn Down Exhaust Tip, Weld-On, 3 Inch Diameter, Steel

AutoMeter 1258 Vac/Boost, 2 1/16 Inch

AutoMeter 3404 Sport-Comp Mechanical Boost Gauge, 35 PSI, 2-5/8

APR TPK0004 Slash-Cut Tips, Single-Wall, 4 In, Pol. Silver, Pair

AutoMeter 4944 Pyrometer Gauge, 2 1/16 Inch, 1600 Deg., UL

AutoMeter 3859 Vac/Boost, 2 1/16 Inch

AutoMeter 2681 Boost Controller, 2 1/16 Inch, Digital

AutoMeter 5744 Phantom Digital Stepper Motor Pyrometer Gauge

AutoMeter 5750 Boost, 2 1/16 Inch, 15PSI, Digital, Phantom

AutoMeter 6181 Boost Controller, 2 1/16 Inch, Digital, Cobalt

AutoMeter 6345 Pyrometer Gauge, 2 1/16 Inch, 1600 Deg., Black

AutoMeter 6359 Sport-Comp Digital Digital Boost/Vacuum Gauge

AutoMeter 6370 Boost, 2 1/16 Inch, 60PSI, Black Dial, Red Led

AutoMeter 6570 Boost, 2 1/16 Inch, 60PSI, Silver Dial W/ Red Led

AutoMeter 5244 Tc Kit, Type K, 3/16 Inch Dia, Open Tip, 10Ft

AutoMeter 5247 Thermocouple Kit, Type K, 3/16 Inch Diameter

AutoMeter 4306 Ultra-Lite Mech. Boost Gauge,100 PSI,2-1/16 In.

AutoMeter 4344 Ultra-Lite Digital Stepper Motor Pyrometer Gauge

AutoMeter 3301 Sport-Comp Mechanical Boost/Vacuum Gauge, 2-1/16

AutoMeter 3304 Sport-Comp Mechanical Boost Gauge, 35 PSI, 2-1/16

AutoMeter 2310 Auto Gage Mechanical Boost/Vacuum Gauge

AutoMeter 4701 Carbon Fiber Mech. Boost/Vac. Gauge,2-1/16 In.

AutoMeter 6105 Cobalt Mechanical Boost Gauge, 2-1/16 Inch, 60 PSI

AutoMeter 6144 Pyrometer Gauge, 2 1/16 Inch, 1600 Deg., Cobalt

AutoMeter 6159 Vac/Boost, 2 1/16 Inch, Digital, Cobalt

AutoMeter 6160 Boost, 2 1/16 Inch, Cobalt