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Choose your Engine for your 1991 Pontiac Grand Prix

  • 4 Cyl 2.3L
  • 6 Cyl 3.1L
  • 6 Cyl 3.4L

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The Following brands are available based on your search.

  • AP Exhaust
    AP Exhaust
  • Eastern Catalytic
    Eastern Catalytic
  • Flowmaster
    Flowmaster
  • Magnaflow
    Magnaflow
  • Stainless Works
    Stainless Works
  • Walker Exhaust
    Walker Exhaust

Showing Products For 1991 Pontiac Grand Prix Catalytic Converter

Below are all the different brands and applications for 1991 Pontiac Grand Prix Catalytic Converter

Showing 1 - 10 of 76 Products for Catalytic Converter.

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Eastern Catalytic
1991 Pontiac Grand Prix Catalytic Converter 6 Cyl 3.1L Eastern Catalytic - UNIVERSAL

P311-0368AFA    70316  New

Qty:
In Stock & Ready to Ship
$123.81
Eastern Catalytic Catalytic Converter
  • Federal / EPA Semi-Universal Converter - Standard
  • Undercar; Single Exhaust System Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with California Emissions)
  • UNIVERSAL
  • Product Attributes:
    • Air Tube Qty: None
    • Body Length (IN): 10"
    • Catalyst Type: Standard
    • Inlet Gasket Qty: None
    • Inlet Hardware: None
    • Inlet Type A: 2.00" Id
    • O2 Sensor Ports: None
    • Outlet Gasket Qty: None
    • Outlet Hardware: None
    • Outlet Type A: 2.00" Id
    • Shape: Oval
    • Test Weight: 5.9 / 6000
  • Latest advanced-manufacturing technology, including automated workstations, spinner welding equipment, and high-speed production lines ensures that all converters are built to exact OE dimensions and fitment. This technology also helps to maintain industry-leading efficiency, productivity, and competitive prices. The proprietary NANO substrate chemistry yields highly efficient loadings for lower cost and better converter efficiency.
Brand: Eastern Catalytic
Additional Fitment Information:
Vehicle Block Engine CID CC
1991 - Pontiac Grand Prix V 6 Cyl 3.1L 189 -
Eastern Catalytic
1991 Pontiac Grand Prix Catalytic Converter 4 Cyl 2.3L Eastern Catalytic - UNIVERSAL

P311-50101A9    70317  New

Qty:
In Stock & Ready to Ship
$123.81
Eastern Catalytic Catalytic Converter
  • Federal / EPA Semi-Universal Converter - Standard
  • Undercar Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with California Emissions)
  • UNIVERSAL
  • Product Attributes:
    • Air Tube Qty: None
    • Body Length (IN): 10"
    • Catalyst Type: Standard
    • Inlet Gasket Qty: None
    • Inlet Hardware: None
    • Inlet Type A: 2.25" Id
    • O2 Sensor Ports: None
    • Outlet Gasket Qty: None
    • Outlet Hardware: None
    • Outlet Type A: 2.25" Id
    • Shape: Oval
    • Test Weight: 5.9 / 6000
  • Latest advanced-manufacturing technology, including automated workstations, spinner welding equipment, and high-speed production lines ensures that all converters are built to exact OE dimensions and fitment. This technology also helps to maintain industry-leading efficiency, productivity, and competitive prices. The proprietary NANO substrate chemistry yields highly efficient loadings for lower cost and better converter efficiency.
Brand: Eastern Catalytic
Additional Fitment Information:
Vehicle Block Engine CID CC
1991 - Pontiac Grand Prix L 4 Cyl 2.3L 138 -
Eastern Catalytic
1991 Pontiac Grand Prix Catalytic Converter 6 Cyl 3.4L Eastern Catalytic - UNIVERSAL

P311-06D9531    70318  New

Qty:
In Stock & Ready to Ship
$123.81
Eastern Catalytic Catalytic Converter
  • Federal / EPA Semi-Universal Converter - Standard
  • Undercar Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with California Emissions)
  • UNIVERSAL
  • Product Attributes:
    • Air Tube Qty: None
    • Body Length (IN): 10"
    • Catalyst Type: Standard
    • Inlet Gasket Qty: None
    • Inlet Hardware: None
    • Inlet Type A: 2.50" Id
    • O2 Sensor Ports: None
    • Outlet Gasket Qty: None
    • Outlet Hardware: None
    • Outlet Type A: 2.50" Id
    • Shape: Oval
    • Test Weight: 5.9 / 6000
  • Latest advanced-manufacturing technology, including automated workstations, spinner welding equipment, and high-speed production lines ensures that all converters are built to exact OE dimensions and fitment. This technology also helps to maintain industry-leading efficiency, productivity, and competitive prices. The proprietary NANO substrate chemistry yields highly efficient loadings for lower cost and better converter efficiency.
Brand: Eastern Catalytic
Additional Fitment Information:
Vehicle Block Engine CID CC
1991 - Pontiac Grand Prix V 6 Cyl 3.4L 207 -
Eastern Catalytic
1991 Pontiac Grand Prix Catalytic Converter 6 Cyl 3.1L Eastern Catalytic - UNIVERSAL

P311-06D9531    70318  New

Qty:
In Stock & Ready to Ship
$123.81
Eastern Catalytic Catalytic Converter
  • Federal / EPA Semi-Universal Converter - Standard
  • Undercar; Dual Exhaust System Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with California Emissions)
  • UNIVERSAL
  • Product Attributes:
    • Air Tube Qty: None
    • Body Length (IN): 10"
    • Catalyst Type: Standard
    • Inlet Gasket Qty: None
    • Inlet Hardware: None
    • Inlet Type A: 2.50" Id
    • O2 Sensor Ports: None
    • Outlet Gasket Qty: None
    • Outlet Hardware: None
    • Outlet Type A: 2.50" Id
    • Shape: Oval
    • Test Weight: 5.9 / 6000
  • Latest advanced-manufacturing technology, including automated workstations, spinner welding equipment, and high-speed production lines ensures that all converters are built to exact OE dimensions and fitment. This technology also helps to maintain industry-leading efficiency, productivity, and competitive prices. The proprietary NANO substrate chemistry yields highly efficient loadings for lower cost and better converter efficiency.
Brand: Eastern Catalytic
Additional Fitment Information:
Vehicle Block Engine CID CC
1991 - Pontiac Grand Prix V 6 Cyl 3.1L 189 -
AP Exhaust
1991 Pontiac Grand Prix Catalytic Converter 6 Cyl 3.4L AP Exhaust

P311-31B5713    602206  New

Qty:
In Stock & Ready to Ship
$72.88
AP Exhaust Catalytic Converter
  • Federal / EPA Catalytic Converter - Universal Pre-OBDII Standard Duty
  • Universal Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details. Dual Exhaust; with Sport Performance Package
  • Federal / EPA Catalytic Converter - Universal Pre-OBDII Standard Duty - 2.50" ID Neck / 2.50" ID Neck; Oval; 5.9L / 5500; O2 Port: None
  • Product Attributes:
    • Air Tube Qty: None
    • Body Height (IN): 4
    • Body Length (IN): 10
    • Body Material: Stainless Steel
    • Body Width (IN): 6.125
    • Inlet Type A: 2.50" Id Neck
    • O2 Sensor Ports: None
    • Outlet Type A: 2.50" Id Neck
    • Shape: Oval
    • Substrate Material: Ceramic
    • Test Weight: 5.9l / 5500
  • ARISTO's proprietary substrate chemistry yields highly efficient loadings for lower cost and better converter efficiency while our latest advanced-manufacturing technology, including automated workstations, spinner welding equipment, and high-speed production lines ensures that all converters are built to exact OE dimensions and fitment. This in total allows AP Emissions Technologies to maintain industry-leading efficiency, productivity, and competitive pricing.
Brand: AP Exhaust
Additional Fitment Information:
Vehicle Block Engine CID CC
1991 - Pontiac Grand Prix V 6 Cyl 3.4L 207 -
AP Exhaust
1991 Pontiac Grand Prix Catalytic Converter 6 Cyl 3.1L AP Exhaust

P311-3647EA6    602205  New

Qty:
In Stock & Ready to Ship
$72.88
AP Exhaust Catalytic Converter
  • Federal / EPA Catalytic Converter - Universal Pre-OBDII Standard Duty
  • Universal (Excludes Dual Exhaust), For use w/2-1/8" I.D. aftermarket intermediate piping, additional sizing, bushings, cutting may be required due to OE exhaust design. Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
  • Federal / EPA Catalytic Converter - Universal Pre-OBDII Standard Duty - 2.25" ID Neck / 2.25" ID Neck; Oval; 5.9L / 5500; O2 Port: None
  • Product Attributes:
    • Air Tube Qty: None
    • Body Height (IN): 4
    • Body Length (IN): 10
    • Body Material: Stainless Steel
    • Body Width (IN): 6.125
    • Inlet Type A: 2.25" Id Neck
    • O2 Sensor Ports: None
    • Outlet Type A: 2.25" Id Neck
    • Shape: Oval
    • Substrate Material: Ceramic
    • Test Weight: 5.9l / 5500
  • ARISTO's proprietary substrate chemistry yields highly efficient loadings for lower cost and better converter efficiency while our latest advanced-manufacturing technology, including automated workstations, spinner welding equipment, and high-speed production lines ensures that all converters are built to exact OE dimensions and fitment. This in total allows AP Emissions Technologies to maintain industry-leading efficiency, productivity, and competitive pricing.
Brand: AP Exhaust
Additional Fitment Information:
Vehicle Block Engine CID CC
1991 - Pontiac Grand Prix V 6 Cyl 3.1L 189 -
AP Exhaust
1991 Pontiac Grand Prix Catalytic Converter 6 Cyl 3.4L AP Exhaust

P311-31B5713    602206  New

Qty:
In Stock & Ready to Ship
$72.88
AP Exhaust Catalytic Converter
  • Federal / EPA Catalytic Converter - Universal Pre-OBDII Standard Duty
  • Universal Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details. Dual Exhaust; without Sport Performance Package
  • Federal / EPA Catalytic Converter - Universal Pre-OBDII Standard Duty - 2.50" ID Neck / 2.50" ID Neck; Oval; 5.9L / 5500; O2 Port: None
  • Product Attributes:
    • Air Tube Qty: None
    • Body Height (IN): 4
    • Body Length (IN): 10
    • Body Material: Stainless Steel
    • Body Width (IN): 6.125
    • Inlet Type A: 2.50" Id Neck
    • O2 Sensor Ports: None
    • Outlet Type A: 2.50" Id Neck
    • Shape: Oval
    • Substrate Material: Ceramic
    • Test Weight: 5.9l / 5500
  • ARISTO's proprietary substrate chemistry yields highly efficient loadings for lower cost and better converter efficiency while our latest advanced-manufacturing technology, including automated workstations, spinner welding equipment, and high-speed production lines ensures that all converters are built to exact OE dimensions and fitment. This in total allows AP Emissions Technologies to maintain industry-leading efficiency, productivity, and competitive pricing.
Brand: AP Exhaust
Additional Fitment Information:
Vehicle Block Engine CID CC
1991 - Pontiac Grand Prix V 6 Cyl 3.4L 207 -
AP Exhaust
1991 Pontiac Grand Prix Catalytic Converter 4 Cyl 2.3L AP Exhaust

P311-3647EA6    602205  New

Qty:
In Stock & Ready to Ship
$72.88
AP Exhaust Catalytic Converter
  • Federal / EPA Catalytic Converter - Universal Pre-OBDII Standard Duty
  • Universal Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
  • Federal / EPA Catalytic Converter - Universal Pre-OBDII Standard Duty - 2.25" ID Neck / 2.25" ID Neck; Oval; 5.9L / 5500; O2 Port: None
  • Product Attributes:
    • Air Tube Qty: None
    • Body Height (IN): 4
    • Body Length (IN): 10
    • Body Material: Stainless Steel
    • Body Width (IN): 6.125
    • Inlet Type A: 2.25" Id Neck
    • O2 Sensor Ports: None
    • Outlet Type A: 2.25" Id Neck
    • Shape: Oval
    • Substrate Material: Ceramic
    • Test Weight: 5.9l / 5500
  • ARISTO's proprietary substrate chemistry yields highly efficient loadings for lower cost and better converter efficiency while our latest advanced-manufacturing technology, including automated workstations, spinner welding equipment, and high-speed production lines ensures that all converters are built to exact OE dimensions and fitment. This in total allows AP Emissions Technologies to maintain industry-leading efficiency, productivity, and competitive pricing.
Brand: AP Exhaust
Additional Fitment Information:
Vehicle Block Engine CID CC
1991 - Pontiac Grand Prix L 4 Cyl 2.3L 138 -
AP Exhaust
1991 Pontiac Grand Prix Catalytic Converter 4 Cyl 2.3L AP Exhaust

P311-3647EA6    602205  New

Qty:
In Stock & Ready to Ship
$72.88
AP Exhaust Catalytic Converter
  • Federal / EPA Catalytic Converter - Universal Pre-OBDII Standard Duty
  • Universal For use with OE intermediate pipe, additional sizing, bushings, cutting may be required due to OE exhaust design, # 6 bushing may be required at inlet & # 8 bushing may be required at outlet for use w/aftermarket pipe. Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
  • Federal / EPA Catalytic Converter - Universal Pre-OBDII Standard Duty - 2.25" ID Neck / 2.25" ID Neck; Oval; 5.9L / 5500; O2 Port: None
  • Product Attributes:
    • Air Tube Qty: None
    • Body Height (IN): 4
    • Body Length (IN): 10
    • Body Material: Stainless Steel
    • Body Width (IN): 6.125
    • Inlet Type A: 2.25" Id Neck
    • O2 Sensor Ports: None
    • Outlet Type A: 2.25" Id Neck
    • Shape: Oval
    • Substrate Material: Ceramic
    • Test Weight: 5.9l / 5500
  • ARISTO's proprietary substrate chemistry yields highly efficient loadings for lower cost and better converter efficiency while our latest advanced-manufacturing technology, including automated workstations, spinner welding equipment, and high-speed production lines ensures that all converters are built to exact OE dimensions and fitment. This in total allows AP Emissions Technologies to maintain industry-leading efficiency, productivity, and competitive pricing.
Brand: AP Exhaust
Additional Fitment Information:
Vehicle Block Engine CID CC
1991 - Pontiac Grand Prix L 4 Cyl 2.3L 138 -
AP Exhaust
1991 Pontiac Grand Prix Catalytic Converter 4 Cyl 2.3L AP Exhaust

P311-3647EA6    602205  New

Qty:
In Stock & Ready to Ship
$72.88
AP Exhaust Catalytic Converter
  • Federal / EPA Catalytic Converter - Universal Pre-OBDII Standard Duty
  • Universal For use w/2-1/8" I.D. intermediate piping, additional sizing, bushings, cutting may be required due to OE exhaust design. Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
  • Federal / EPA Catalytic Converter - Universal Pre-OBDII Standard Duty - 2.25" ID Neck / 2.25" ID Neck; Oval; 5.9L / 5500; O2 Port: None
  • Product Attributes:
    • Air Tube Qty: None
    • Body Height (IN): 4
    • Body Length (IN): 10
    • Body Material: Stainless Steel
    • Body Width (IN): 6.125
    • Inlet Type A: 2.25" Id Neck
    • O2 Sensor Ports: None
    • Outlet Type A: 2.25" Id Neck
    • Shape: Oval
    • Substrate Material: Ceramic
    • Test Weight: 5.9l / 5500
  • ARISTO's proprietary substrate chemistry yields highly efficient loadings for lower cost and better converter efficiency while our latest advanced-manufacturing technology, including automated workstations, spinner welding equipment, and high-speed production lines ensures that all converters are built to exact OE dimensions and fitment. This in total allows AP Emissions Technologies to maintain industry-leading efficiency, productivity, and competitive pricing.
Brand: AP Exhaust
Additional Fitment Information:
Vehicle Block Engine CID CC
1991 - Pontiac Grand Prix L 4 Cyl 2.3L 138 -

Showing 1 - 10 of 76 Products for Catalytic Converter.