GMC PM253 Headers and Exhaust Parts

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GMC PM253

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-16%

Speedhut |

#140022101R

Speedhut R2-B1-REV 2-1/16" Boost Gauge 0-10 psi w/Warning

Body Diameter:

2.05"

Depth:

1.3"

Gauge Series:

Analog

$195.97

/each

$235.17

-16%

Speedhut |

#1400221112L

Speedhut L2-BV2-LEG 2-1/16" Boost/Vac Gauge 30inhg-0-15 psi

Body Diameter:

2.05"

Depth:

1.3"

Gauge Series:

Analog

$183.94

/each

$220.73

Dynatech |

#31178003510

Dynatech® 780-03510 Plain Steel Merge Collector 2-1/2 x 4-1/2

Primary Tube Diameter:

2-1/2"

$249.99

/each

-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

-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

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.

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.

Exhaust Repair

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

Wrapping Exhaust Manifolds to Reduce Under Hood Temps

Learn how to wrap exhaust headers to help keep under hood temperatures down. This articles shows how cast iron exhaust manifolds are wrapped in 1-inch black header wrap with stainless steel exhaust wrap ties.

Installing 3" Ram Horn Manifolds on a C/10

See how to install 3" Ram Horn exhaust manifolds on a C/10 with a 406 engine. Learn some tips on welding steel tubing to a cast iron manifold and how they are modified to fit the truck.

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.

-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

-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

-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

-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 |

#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

-9%

Doug's Headers |

#447304

Doug's Headers DEC300AK 3" Stainless Electric Exhaust Cutout Kit

(1)

Exhaust Tubing Diameter:

3 Inch

Finish:

Raw

Voltage:

12 volts

$656.66

/each

$722.33

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

AutoMeter |

#1822601

AutoMeter 2601 Z-Series Mechanical Boost/Vacuum Gauge,2-1/16 Inch

Overall Diameter:

2-1/16

Body Diameter:

2.06"

Gauge Type:

Mechanical

$96.99

/each

Vibrant |

#3212624

Vibrant 2624 180 Degree Mandrel Bend, 2 Inch, Stainless Steel

Exhaust Tubing Diameter:

2 Inch

Outside Diameter:

2.00"

$48.99

/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 |

#1828159

AutoMeter 8159 Vac/Boost, 2 1/16 Inch, Chrono

Gauge Style:

Analog

Gauge Range:

30 in. Hg/30 psi

Gauge Face Color:

Black

$258.99

/each

AutoMeter |

#1827144

AutoMeter 7144 Pyrometer Gauge, 2 1/16 Inch, 1600 Deg., C2

Gauge Face Color:

White/Luminescent blue

Bezel Finish:

Silver

Overall Diameter:

2-1/16

$243.99

/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 |

#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 |

#1826170

AutoMeter 6170 Boost, 2 1/16 Inch, Cobalt

Overall Diameter:

2-1/16

Body Diameter:

2.06"

Gauge Type:

Electric

$247.99

/each

AutoMeter |

#1823606

AutoMeter 3606 Sport-Comp II Mech. Boost Gauge,100 PSI,2-1/16

Overall Diameter:

2-1/16

Body Diameter:

2.06"

Gauge Type:

Mechanical

$112.99

/each

AutoMeter |

#1824907

AutoMeter 4907 Ultra-Lite II Mechanical Boost/Vacuum Gauge

Overall Diameter:

2-1/16

Body Diameter:

2.06"

Gauge Type:

Mechanical

$102.99

/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 |

#1824345

AutoMeter 4345 Pyrometer Gauge 2 1/16 Inch, 2000 Deg., Ultra-Lite

Gauge Face Color:

Silver

Bezel Finish:

Silver

Overall Diameter:

2-1/16"

$230.99

/each

AutoMeter |

#1822654

AutoMeter 2654 Z-Series Digital Stepper Motor Pyrometer Gauge

Gauge Face Color:

Black

Bezel Finish:

Black

Overall Diameter:

2-1/16"

$230.99

/each

AutoMeter |

#1824376

AutoMeter 4376 Vac/Boost, 2 1/16 Inch W/Peak And Warn, Ultra-Lite

Overall Diameter:

2-1/16

Body Diameter:

2.06"

Gauge Type:

Electric

$258.99

/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 |

#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 |

#1825257

AutoMeter 5257 Pyrometer Extension Module for StepperMotor Gauges

Sold in Quantity:

Each

GTIN Code:

046074052576

$105.99

/each

AutoMeter |

#1824777

AutoMeter 4777 Vac/Boost, 2 1/16 Inch W/ Pk And Wrn, Carbon Fiber

Overall Diameter:

2-1/16

Body Diameter:

2.06"

Gauge Type:

Electric

$303.99

/each

AutoMeter |

#1824803

AutoMeter 4803 Carbon Fiber Mechanical Boost/Vacuum Gauge, 2-5/8

Overall Diameter:

2-5/8

Body Diameter:

2.6"

Gauge Type:

Mechanical

$132.99

/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 |

#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

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GMC PM253 Headers and Exhaust Parts

Year

Subcategory

Part

Brand

Transmission Family

Availability

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Customer Rating

Products

Speedhut R2-B1-REV 2-1/16" Boost Gauge 0-10 psi w/Warning

Speedhut L2-BV2-LEG 2-1/16" Boost/Vac Gauge 30inhg-0-15 psi

Dynatech® 780-03510 Plain Steel Merge Collector 2-1/2 x 4-1/2

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

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

Related Articles

Flowmaster 8425154 Super 10 Series Muffler, 2.50 In/Out

Flowmaster 8530552 Stainless 50 Series Muffler, 3.00 In/ 2.50 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 854040-10 Delta Force 40 Series Race Muffler, 4 In/Out

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

Doug's Headers DEC300AK 3" Stainless Electric Exhaust Cutout Kit

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

AutoMeter 2601 Z-Series Mechanical Boost/Vacuum Gauge,2-1/16 Inch

Vibrant 2624 180 Degree Mandrel Bend, 2 Inch, Stainless Steel

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

AutoMeter 8159 Vac/Boost, 2 1/16 Inch, Chrono

AutoMeter 7144 Pyrometer Gauge, 2 1/16 Inch, 1600 Deg., C2

AutoMeter 3859 Vac/Boost, 2 1/16 Inch

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

AutoMeter 6170 Boost, 2 1/16 Inch, Cobalt

AutoMeter 3606 Sport-Comp II Mech. Boost Gauge,100 PSI,2-1/16

AutoMeter 4907 Ultra-Lite II Mechanical Boost/Vacuum Gauge

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

AutoMeter 4344 Ultra-Lite Digital Stepper Motor Pyrometer Gauge

AutoMeter 4345 Pyrometer Gauge 2 1/16 Inch, 2000 Deg., Ultra-Lite

AutoMeter 2654 Z-Series Digital Stepper Motor Pyrometer Gauge

AutoMeter 4376 Vac/Boost, 2 1/16 Inch W/Peak And Warn, Ultra-Lite

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

AutoMeter 2310 Auto Gage Mechanical Boost/Vacuum Gauge

AutoMeter 5257 Pyrometer Extension Module for StepperMotor Gauges

AutoMeter 4777 Vac/Boost, 2 1/16 Inch W/ Pk And Wrn, Carbon Fiber

AutoMeter 4803 Carbon Fiber Mechanical Boost/Vacuum Gauge, 2-5/8

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

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

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