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1962-1992 Chevrolet Hooker Competition SB Exhaust Manifolds, 2.5 in. collector, Natural Finish 8525HKR

Ground Up Part #: HKR-8525HKR

Manufacturer Part #: 8525HKR

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$332.99 (Pair)

MSRP: $366.99

(You Save: 9%)

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Part Details Vehicle Fitment Reviews
Hooker's new cast iron small-block Chevy exhaust manifolds offer an increase in performance and visual appearance over stock-style manifolds. Their compact design fit into a wide variety of replacement and engine swap applications. This means you get the traditional look and easy fitment of a stock style exhaust manifold but now with a smoother, cleaner appearance, plus more modern features. These manifolds are cast out of high silicon-molybdenum ductile iron for high temperature strength and better resistance to oxidation and cracking. Internally these manifolds have a larger than stock 1 5/8-inch cross-sectional area and 2 1/2-inch outlets for better air flow and improved performance. Offered for both rectangular or raised D-port heads, these manifolds fit many popular GM applications including standard straight, Vortec straight and angled plug head designs. Finishes include natural, silver, black, and Natural Finish. Gaskets and hardware are included, along with weld-on flanges to aid in downpipe installationFeatures:A smoother, cleaner appearance compared to stock exhaust manifolds, while maintaining a OEM style look and feelMade from high silicon-molybdenum ductile iron for high temperature strength plus resistance to oxidation and crackingDesigned with a larger 1 5/8 inch cross-sectional area and 2 .5 inch outlets for better air flow and increased performanceAccommodates standard straight, Vortec straight and angled plug head designs for better application coverage Includes weld-on flanges for easier downpipe pipe installation (custom downpipe required)Available in natural cast iron or ceramic coated finishes (silver, black and titanium)Includes mounting hardware and gaskets for inlet and outlet flangesSpecifications:Collector Diameter: 2.50 inchHeader Finish: Natural FinishExhaust Port Shape: RectanglePrimary Tube Dia.: 1-5/8 inchTube Material: Cast Ironl

Manufacturer Part Number : 8525HKR

Part Notes:

Uncoated cast iron finish. These manifolds do not fit 1st generation F-Body cars. These manifolds do not fit 1st generation F-Body cars. These cast exhaust manifolds have been designed to fit into a wide variety of replacement and engine-swap applications, with final outlet connections to be fabricated by the installer. The manifolds will not directly bolt onto factory downpipes.

warning WARNING: Cancer & Reproductive Harm - P65Warnings.ca.gov
Emissions
3

This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles

The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles:

  • 1965 and older U.S. manufactured California Certified vehicles
  • 1967 and older U.S. manufactured Federally Certified vehicles
  • 1967 and older Foreign manufactured vehicle

WARNING: It is against the law to install this part on an Emissions Controlled Vehicle

The following vehicles are considered Emissions Controlled Vehicles:

  • 1966 and newer U.S. manufactured California Certified vehicles
  • 1968 and newer U.S. manufactured Federally Certified vehicles
  • 1968 and newer Foreign manufactured vehicle
Brand
Brand Logo Hooker Headers
Additional Information
  • SS396.com Part #: HKR-8525HKR
  • Brand: Hooker Headers
  • Manufacturer Part #: 8525HKR
  • Sold As: Pair
  • Shipping Details: This item ships Ground.
Vehicle Fitment
Make Model Year Body Style
Chevrolet Chevelle 1964 -
Chevrolet Chevelle 1965 -
Chevrolet Chevelle 1966 -
Chevrolet Chevelle 1967 -
Chevrolet Chevelle 1968 -
Chevrolet Chevelle 1969 -
Chevrolet Chevelle 1970 -
Chevrolet Chevelle 1971 -
Chevrolet Chevelle 1972 -
Chevrolet Chevelle 1973 -
Chevrolet Chevelle 1974 -
Chevrolet Chevelle 1975 -
Chevrolet Chevelle 1976 -
Chevrolet Chevelle 1977 -
Chevrolet Nova 1962 -
Chevrolet Nova 1963 -
Chevrolet Nova 1964 -
Chevrolet Nova 1965 -
Chevrolet Nova 1966 -
Chevrolet Nova 1967 -
Chevrolet Nova 1968 -
Chevrolet Nova 1969 -
Chevrolet Nova 1970 -
Chevrolet Nova 1971 -
Chevrolet Nova 1972 -
Chevrolet Nova 1973 -
Chevrolet Nova 1974 -
Chevrolet Nova 1975 -
Chevrolet Nova 1976 -
Chevrolet Nova 1977 -
Chevrolet Nova 1978 -
Chevrolet Nova 1979 -
Chevrolet El Camino 1964 -
Chevrolet El Camino 1965 -
Chevrolet El Camino 1966 -
Chevrolet El Camino 1967 -
Chevrolet El Camino 1968 -
Chevrolet El Camino 1969 -
Chevrolet El Camino 1970 -
Chevrolet El Camino 1971 -
Chevrolet El Camino 1972 -
Chevrolet El Camino 1973 -
Chevrolet El Camino 1974 -
Chevrolet El Camino 1975 -
Chevrolet El Camino 1976 -
Chevrolet El Camino 1977 -
Chevrolet El Camino 1978 -
Chevrolet El Camino 1979 -
Chevrolet El Camino 1980 -
Chevrolet El Camino 1981 -
Chevrolet El Camino 1982 -
Chevrolet El Camino 1983 -
Chevrolet El Camino 1984 -
Chevrolet El Camino 1985 -
Chevrolet El Camino 1986 -
Chevrolet El Camino 1987 -
Chevrolet Camaro 1970 -
Chevrolet Camaro 1971 -
Chevrolet Camaro 1972 -
Chevrolet Camaro 1973 -
Chevrolet Camaro 1974 -
Chevrolet Camaro 1975 -
Chevrolet Camaro 1976 -
Chevrolet Camaro 1977 -
Chevrolet Camaro 1978 -
Chevrolet Camaro 1979 -
Chevrolet Camaro 1980 -
Chevrolet Camaro 1981 -
Chevrolet Camaro 1982 -
Chevrolet Camaro 1983 -
Chevrolet Camaro 1984 -
Chevrolet Camaro 1985 -
Chevrolet Camaro 1986 -
Chevrolet Camaro 1987 -
Chevrolet Camaro 1988 -
Chevrolet Camaro 1989 -
Chevrolet Camaro 1990 -
Chevrolet Camaro 1991 -
Chevrolet Camaro 1992 -
Chevrolet Camaro 1993 -
Chevrolet Camaro 1994 -
Chevrolet Camaro 1995 -
Chevrolet Camaro 1996 -
Chevrolet Camaro 1997 -
Chevrolet Camaro 1998 -
Chevrolet Camaro 1999 -
Chevrolet Camaro 2000 -
Chevrolet Camaro 2001 -
Chevrolet Camaro 2002 -
Chevrolet Camaro 2010 -
Chevrolet Camaro 2011 -
Chevrolet Camaro 2012 -
Chevrolet Camaro 2013 -
Chevrolet Camaro 2014 -
Chevrolet Camaro 2015 -
Chevrolet Camaro 2016 -
Chevrolet Camaro 2017 -
Chevrolet Camaro 2018 -
Chevrolet Camaro 2019 -
Chevrolet Malibu 1978 -
Chevrolet Malibu 1979 -
Chevrolet Malibu 1980 -
Chevrolet Malibu 1981 -
Chevrolet Malibu 1982 -
Chevrolet Malibu 1983 -
Chevrolet Monte Carlo 1970 -
Chevrolet Monte Carlo 1971 -
Chevrolet Monte Carlo 1972 -
Chevrolet Monte Carlo 1973 -
Chevrolet Monte Carlo 1974 -
Chevrolet Monte Carlo 1975 -
Chevrolet Monte Carlo 1976 -
Chevrolet Monte Carlo 1977 -
Chevrolet Monte Carlo 1978 -
Chevrolet Monte Carlo 1979 -
Chevrolet Monte Carlo 1980 -
Chevrolet Monte Carlo 1981 -
Chevrolet Monte Carlo 1982 -
Chevrolet Monte Carlo 1983 -
Chevrolet Monte Carlo 1984 -
Chevrolet Monte Carlo 1985 -
Chevrolet Monte Carlo 1986 -
Chevrolet Monte Carlo 1987 -
Chevrolet Monte Carlo 1988 -
Buick Regal 1978 -
Buick Regal 1979 -
Buick Regal 1980 -
Buick Regal 1981 -
Buick Regal 1982 -
Buick Regal 1983 -
Buick Regal 1984 -
Buick Regal 1985 -
Buick Regal 1986 -
Buick Regal 1987 -
Pontiac Grand Prix 1978 -
Pontiac Grand Prix 1979 -
Pontiac Grand Prix 1980 -
Pontiac Grand Prix 1981 -
Pontiac Grand Prix 1982 -
Pontiac Grand Prix 1983 -
Pontiac Grand Prix 1984 -
Pontiac Grand Prix 1985 -
Pontiac Grand Prix 1986 -
Pontiac Grand Prix 1987 -
Pontiac Grand Prix 1988 -
Buick Century 1978 -
Buick Century 1979 -
Buick Century 1980 -
Buick Century 1981 -
Oldsmobile Cutlass 1978 -
Oldsmobile Cutlass 1979 -
Oldsmobile Cutlass 1980 -
Oldsmobile Cutlass 1981 -
Oldsmobile Cutlass 1982 -
Oldsmobile Cutlass 1983 -
Oldsmobile Cutlass 1984 -
Oldsmobile Cutlass 1985 -
Oldsmobile Cutlass 1986 -
Oldsmobile Cutlass 1987 -
Oldsmobile Cutlass 1988 -
Installation Time
Installation Time: Info Unavailable
Installation Difficulty
Installation Difficulty: Info Unavailable
Installation Guides
Installation Guides: click here to download

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