1981 GMC G-Series Exhaust Systems

GMC G-Series Exhaust - 1981
Select Your Submodel
4.1L
5.0L
5.7L
  • Walker® - SoundFX™ Steel Oval Direct-Fit Aluminized Exhaust Muffler
    Walker®SoundFX™ Steel Oval Direct-Fit Aluminized Exhaust Muffler
    9
    # 35468292
    GMC G-Series 1981, SoundFX™ Steel Oval Direct-Fit Aluminized Exhaust Muffler by Walker®. Optional. Muffler Inlet Diameter: 2.5". This muffler is the right choice if you opt for quality acoustics and performance. Walker offers 100%...
    Designed to deliver ultimate performance and pleasing sound qualityOE-equivalent direct-fit design
    $35.91 - $43.87
  • AP Exhaust® - MSL Maximum Aluminized Steel Oval Direct-Fit Exhaust Muffler with Inlet/Outlet Neck
    AP Exhaust®MSL Maximum Aluminized Steel Oval Direct-Fit Exhaust Muffler with Inlet/Outlet Neck
    5
    # 80139225
    GMC G-Series 1981, MSL Maximum Aluminized Steel Oval Direct-Fit Exhaust Muffler with Inlet/Outlet Neck by AP Exhaust®. Muffler Inlet Diameter: 2.5". Today’s exhaust performance market continues to cover a broad spectrum of vehicles....
    Designed for a quiet ride100% aluminized components for longer life
    $39.19 - $42.86
  • MagnaFlow® - Standard Direct Fit Catalytic Converter
    MagnaFlow®Standard Direct Fit Catalytic Converter
    9
    # 3803988963
    GMC G-Series 1981, Standard Catalytic Converter by MagnaFlow®. Converter Configuration: Direct Fit. Without Air Tube. With Pre and Post-Cat O2 Sensor Ports. Catalytic Inlet Diameter: 2.5". Catalytic Outlet Diameter: 2.5". Catalytic...
    $201.00
  • ATP® - Cast Iron Natural Exhaust Manifold
    ATP®Cast Iron Natural Exhaust Manifold
    2
    # 4559869713
    GMC G-Series 1981, Natural Cast Iron Exhaust Manifold by ATP®. Position: Driver Side. Color: Natural. Header Coating: Uncoated. ATP Graywerks Exhaust Manifolds are a high quality OE replacement alternative. Each manifold is developed...
    Manufactured to OE design ensuring manifold will line up and flow like the original unitHigh grade metallurgy resists fatigue cracking and breakage
    $134.83
  • Dorman® - Cast Iron Natural Exhaust Manifold
    Dorman®Cast Iron Natural Exhaust Manifold
    8
    # mpn2072378151
    GMC G-Series 5.0L / 5.7L 1981, Cast Iron Natural Exhaust Manifold by Dorman®. Position: Driver Side. Color: Natural. Header Coating: Uncoated. This exhaust manifold was precision-engineered and durably manufactured to match the fit and...
    Ideal replacement - this exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the stock manifold on specified vehiclesReliable construction - durable materials resist warping, cracking and leaking for long-lasting performance
    $98.66
  • Walker® - Replacement Exhaust Kit
    Walker®Replacement Exhaust Kit
    40
    # 115274497
    GMC G-Series 1981, Replacement Exhaust Kit by Walker®. If you are looking for the ultimate in quality and value, then this superior replacement exhaust kit by Walker is what you need. All its components are designed with precision...
    Mufflers and Resonators Designed for OE equivalent sound and precision fitOE-style louvered tube technology for a premium, factory-like sound
    $35.91 - $601.88
  • MagnaFlow® - Pre-OBDII Universal Fit Oval Body Catalytic Converter
    MagnaFlow®Pre-OBDII Universal Fit Oval Body Catalytic Converter
    1
    # 5833869660
    GMC G-Series with PRE-OBDII Standard 1981, Pre-OBDII Catalytic Converter by MagnaFlow®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter:...
    $480.00
  • MagnaFlow® - Standard Universal Fit Oval Body Catalytic Converter
    MagnaFlow®Standard Universal Fit Oval Body Catalytic Converter
    1
    # 3803990066
    GMC G-Series 1981, Standard Catalytic Converter by MagnaFlow®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without O2 Sensor Port. Catalytic Inlet Diameter: 2.5". Catalytic Outlet Diameter: 2.5"....
    $119.00 - $126.00
  • Walker® - Ultra™ Direct Fit Catalytic Converter
    Walker®Ultra™ Direct Fit Catalytic Converter
    2
    # 35468249
    GMC G-Series 1981, Ultra™ Catalytic Converter by Walker®. Converter Configuration: Direct Fit. With 1 Inlet. Without O2 Sensor Port. Walker is an OE supplier to many major nameplate vehicle manufacturers. Trust Walker, an industry...
    $128.65 - $142.82
  • AP Exhaust® - Enforcer Series Aluminized Steel Oval Glass Pack Exhaust Muffler with Inlet and Outlet Neck
    AP Exhaust®Enforcer Series Aluminized Steel Oval Glass Pack Exhaust Muffler with Inlet and Outlet Neck
    2
    # 80139217
    GMC G-Series 1981, Enforcer Series Aluminized Steel Oval Glass Pack Exhaust Muffler with Inlet and Outlet Neck by AP Exhaust®. Muffler Inlet Diameter: 2.25". Muffler Outlet Diameter: 2". Muffler Body Length: 19". Muffler Overall Length:...
    Aluminized materials for superior corrosion protectionIdeal for the economy buyer
    $25.66
  • Walker® - CalCat™ Direct Fit Standard Oval Body Catalytic Converter
    Walker®CalCat™ Direct Fit Standard Oval Body Catalytic Converter
    3
    # 3804051007
    GMC G3500 5.7L 1981, CalCat™ Catalytic Converter by Walker®. Converter Configuration: Direct Fit. Catalytic Converter Body Shape: Standard Oval. With 1 Inlet. Without O2 Sensor Port. Catalytic Converter Overall Length: 25". Walker is...
    $514.35
  • Walker® - SoundFX™ Steel Oval Aluminized Exhaust Muffler
    Walker®SoundFX™ Steel Oval Aluminized Exhaust Muffler
    4
    # 4604337715
    GMC G-Series 1981, SoundFX™ Steel Oval Aluminized Exhaust Muffler by Walker®. Optional. Muffler Inlet Diameter: 2.5". Muffler Body Length: 21". This muffler is the right choice if you opt for quality acoustics and performance. Walker...
    Designed to deliver ultimate performance and pleasing sound quality100% aluminized material
    $41.27 - $52.02
  • iD Select® - Standard Universal Fit Oval Body Catalytic Converter
    iD Select®Standard Universal Fit Oval Body Catalytic Converter
    0
    # 3677583025
    GMC G-Series 1981, Standard Catalytic Converter by iD Select®. Converter Configuration: Universal Fit. Location: Undercar. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter: 2.5"....
    $72.47
  • Walker® - CalCat™ Universal Fit Large Oval Body Catalytic Converter
    Walker®CalCat™ Universal Fit Large Oval Body Catalytic Converter
    1
    # 211441929
    GMC G-Series 1981, CalCat™ Catalytic Converter by Walker®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Large Oval. With 1 Inlet. Without Air Tube. Without O2 Sensor Port. Catalytic Converter Overall Length:...
    $601.88
  • Walker® - Ultra™ Universal Fit Large Oval Body Catalytic Converter
    Walker®Ultra™ Universal Fit Large Oval Body Catalytic Converter
    2
    # 35468252
    GMC G-Series 1981, Ultra™ Catalytic Converter by Walker®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Large Oval. With 1 Inlet. Without O2 Sensor Port. Catalytic Converter Overall Length: 18". Emissions...
    $148.78 - $211.23
  • Eastern Catalytic® - Standard Direct Fit Catalytic Converter
    Eastern Catalytic®Standard Direct Fit Catalytic Converter
    2
    # 5554225483
    GMC G-Series 1981, Standard Catalytic Converter by Eastern Catalytic®. Converter Configuration: Direct Fit. Location: Undercar. Without O2 Sensor Port. Catalytic Inlet Diameter: 2.5". Catalytic Outlet Diameter: 2.5". Catalytic Converter...
    $139.23
  • AP Exhaust® - Universal Fit Oval Body Catalytic Converter
    AP Exhaust®Universal Fit Oval Body Catalytic Converter
    2
    # 81397857
    GMC G-Series 1981, Catalytic Converter by AP Exhaust®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without O2 Sensor Port. Catalytic Inlet Diameter: 2.5". Catalytic Outlet Diameter: 2.5". Today’s...
    $82.40 - $225.86
  • CATCO® - Pre-OBDII Universal Fit Oval Body Catalytic Converter
    CATCO®Pre-OBDII Universal Fit Oval Body Catalytic Converter
    1
    # 2997346773
    GMC G-Series 1981, Pre-OBDII Catalytic Converter by CATCO®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without O2 Sensor Port. Designed and manufactured with innovative fabrication methods, high-tech...
    $144.46 - $234.81
  • Davico® - Exhaust Manifold with Integrated Catalytic Converter
    Davico®Exhaust Manifold with Integrated Catalytic Converter
    2
    # 5040641914
    GMC G-Series 1981, Exhaust Manifold with Integrated Catalytic Converter by Davico®. This product by Davico will be a great solution to replace your failed or damaged catalytic converter. Once your stock cat fails to perform its job,...
    Helps your vehicle emit harmless gasesDirect OEM replacement
    $450.39
  • ARP® - Header Bolt Kit
    ARP®Header Bolt Kit
    0
    # 95726006
    GMC G-Series 5.0L / 5.7L 1981, Header Bolt Kit by ARP®. ARP manufactures a variety of premium grade bolt and stud kits to facilitate installation of exhaust headers including the popular stainless stud kit with 12-point nuts. The...
    Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability
    $21.63 - $119.06
  • BRExhaust® - Exhaust Muffler
    BRExhaust®Exhaust Muffler
    4
    # 3415912321
    GMC G1500 / G2500 5.0L / 5.7L 1981, Exhaust Muffler by BRExhaust®. This product is constructed by one of the leading OE suppliers to provide OE-style performance and maintain a factory-like sound. The direct-fit configuration allows for...
    Aluminized steel construction for maximum durabilityOne Piece interior to end cap construction to reduce flex and stand up to vehicle vibration
    $43.25 - $109.35
  • Eastern Catalytic® - Standard Universal Fit Oval Body Catalytic Converter
    Eastern Catalytic®Standard Universal Fit Oval Body Catalytic Converter
    2
    # 100288588
    GMC G-Series 1981, Standard Catalytic Converter by Eastern Catalytic®. Converter Configuration: Universal Fit. Location: Undercar. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter:...
    $120.27
  • Stage 8® - Steel Nickel plated Header Locking Bolt Kit
    Stage 8®Steel Nickel plated Header Locking Bolt Kit
    0
    # 1582485724
    GMC G-Series 5.0L / 5.7L 1981, Steel Nickel plated Header Locking Bolt Kit by Stage 8®. Stage 8 locking fastener solutions are fail-safe when used and installed as directed. They are removable and reusable and can be visually inspected;...
    Thoughtfully designed for the highest efficiency and safetyWill provide more breakaway torque than any other locking system
    $68.22 - $124.40
  • Walker® - Aluminized Steel Exhaust Tailpipe
    Walker®Aluminized Steel Exhaust Tailpipe
    6
    # 35468304
    GMC G-Series 1981, Aluminized Steel Exhaust Tailpipe by Walker®. If you want exhaust piping that delivers precise OE-style fit, appearance, and reliability, this part is your number one choice. Every pipe is vehicle-specific and is...
    Designed to directly replace the factory partMade with precision benders and fixture checked
    $26.84 - $29.68
  • Dorman® - Exhaust Flange Stud and Nut Kit
    Dorman®Exhaust Flange Stud and Nut Kit
    0
    # 84269889
    GMC G-Series 1981, Exhaust Flange Stud and Nut Kit by Dorman®. Position: Front. Dorman’s Exhaust Flange Stud & Nut provides you with the proper flange stud and nut for replacing your manifold. Save time and energy by having the right...
    Direct replacement for a proper fit every timeThe finest quality at a great price
    $3.87 - $6.91
  • Fel-Pro® - Exhaust Manifold Gasket Set
    Fel-Pro®Exhaust Manifold Gasket Set
    2
    # 231319411
    GMC G-Series 1981, Exhaust Manifold Gasket Set by Fel-Pro®. If you need durable gaskets to prevent leaks on your vehicle, Fel-Pro is the way to go. Engineered using the latest technologies and global engineering resources, the gaskets...
    Ensures reliable sealing performanceMade using advanced technologies and molded rubber chemistry
    $8.28 - $31.19
  • Fel-Pro® - Exhaust Pipe Flange Gasket
    Fel-Pro®Exhaust Pipe Flange Gasket
    0
    # 40657773
    GMC G-Series 1981, Exhaust Pipe Flange Gasket by Fel-Pro®. If you need durable gaskets to prevent leaks on your vehicle, Fel-Pro is the way to go. Engineered using the latest technologies and global engineering resources, the gaskets...
    Direct OEM replacement for a proper fitEnsures reliable sealing performance
    $1.85 - $8.30
  • Mahle® - Exhaust Pipe Flange Gasket
    Mahle®Exhaust Pipe Flange Gasket
    0
    # 3753754309
    GMC G-Series 1981, Exhaust Pipe Flange Gasket by Mahle®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...
    High quality at an affordable priceExpertly made from premium materials
    $1.94 - $2.82
  • BBK® - Premium Header Gasket Set
    BBK®Premium Header Gasket Set
    1
    # mpn306537478
    GMC G-Series 5.0L / 5.7L for Stock Or CNC Ported Heads 1981, Premium Header Gasket Set by BBK®. These premium steel core graphite gaskets are flexible for a long lasting leak-proof seal even when cylinder head and header flange surfaces...
    Provides a long lasting, leak-proof sealFlexible graphite will conform to surface irregularities and won't stick to headers or cylinder head
    $44.99
  • Mahle® - Exhaust Manifold Gasket Set
    Mahle®Exhaust Manifold Gasket Set
    0
    # 4444576446
    GMC G-Series 1981, Exhaust Manifold Gasket Set by Mahle®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...
    High quality at an affordable priceExpertly made from premium materials
    $6.85 - $29.82




Shop By Service Type

Popular Products



1981 GMC G-Series Exhaust Reviews

5 reviews
Was a bit hesitant on buying this but was well worth it, it delivered on time and fit perfectly it also gives my old truck a nasty growl. I definitely recommend this item.
Posted by Robert (Monroe, WI) / November 20, 20222000 Dodge Dakota
1981 GMC G-Series Models
CONTACTS
CUSTOMER SERVICE
INFORMATION
CARiD FacebookCARiD XCARiD YouTube ChannelCARiD PinterestCARiD Instagram
All manufacturer names, symbols, and descriptions, used in our images and text are used solely for identification purposes only. It is neither inferred nor implied that any item sold by CARiD.com is a product authorized by or in any way connected with any vehicle manufacturers displayed on this page.