Designed to fit Hooker Competition header, manifold or catalytic converter back applications. Cat-Back kits install behind the converter and all other applicable emission control devices.

1973-91 Blazer/Jimmy/Yukon (4WD): 265-400
Reducer Flex-Tubes
Reduces Backpressure
Improves Engine Efficiency
Hardware Included
Instructions Included

Application

1973 Chevy Blazer
1973 GMC Jimmy
1974 Chevy Blazer
1974 GMC Jimmy
1975 Chevy K5 Blazer
1975 GMC Jimmy
1976 Chevy K5 Blazer
1976 GMC Jimmy
1977 Chevy K5 Blazer
1977 GMC Jimmy
1978 Chevy K5 Blazer
1978 GMC Jimmy
1979 Chevy K5 Blazer
1979 GMC Jimmy
1980 Chevy K5 Blazer
1980 GMC Jimmy
1981 Chevy K5 Blazer
1981 GMC Jimmy
1982 Chevy K5 Blazer
1982 GMC Jimmy
1983 Chevy K5 Blazer
1983 GMC Jimmy
1984 Chevy K5 Blazer
1984 GMC Jimmy
1985 Chevy K5 Blazer
1985 GMC Jimmy
1986 Chevy K5 Blazer
1986 GMC Jimmy
1987 Chevy Blazer
1987 GMC Jimmy
1988 Chevy Blazer
1988 GMC Jimmy
1989 Chevy Blazer
1989 GMC Jimmy
1990 Chevy Blazer
1990 GMC Jimmy
1991 Chevy Blazer
1991 GMC Jimmy

Charts

Installation Instructions (PDF)

Guides & Documents

Exhaust System Kits Installation Instructions (42516528HKR)

CARB Warning

For race/ off road use only

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

CA Prop 65

CARB warning

Hooker Headers 16528HKR Specifications

KEY SPECS
MFG. Part #	16528HKR
Brand	Hooker Headers
Exhaust System Type	Header-Back
Single or Dual	Dual
Exhaust System Kit Type	Direct Fit

GENERAL
Exhaust Exit	Dual Split Side
Muffler(s) Included	No
Exhaust System Material	Aluminized Steel
Exhaust System Finish	Natural
Exhaust Pipe Color	Natural
Inlet Quantity	Dual
Intermediate Pipe Diameter	2.25"
Tailpipe Diameter	2.25"
Catalytic Converter(s) Included	No
Hardware Included	Yes
Sold in Quantity	Kit
Emission Code	3
GTIN Code	700414023663
Notes	Must use 2 1/4 in. offset inlet/center outlet muffler. Designed for use with Hooker Competition headers.
Exit Location	Side

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Questions & Answers

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Fitment

1968 Chevy Bel Air

Gen 1 L14 Small Block Chevy

1968 Chevy Biscayne

Gen 1 L14 Small Block Chevy

1969-1973 Chevy Blazer

Gen 1 L14 Small Block Chevy

1969-1972 Chevy Brookwood

Gen 1 L14 Small Block Chevy

1968-1973 Chevy C10

Gen 1 L14 Small Block Chevy

1976-1982 Chevy C10

Gen 1 LG3 Small Block Chevy

1983 Chevy C10

2-Piece Rear Main Chevy 350
Gen 1 LG3 Small Block Chevy

1984 Chevy C10

Gen 1 LG3 Small Block Chevy

1985 Chevy C10

2-Piece Rear Main Chevy 350
Gen 1 LG3 Small Block Chevy

1986 Chevy C10

Gen 1 LG3 Small Block Chevy

1968-1973 Chevy C10 Suburban

Gen 1 L14 Small Block Chevy

1976-1982 Chevy C10 Suburban

Gen 1 LG3 Small Block Chevy

1983 Chevy C10 Suburban

2-Piece Rear Main Chevy 350

1985 Chevy C10 Suburban

2-Piece Rear Main Chevy 350

1968-1973 Chevy C20

Gen 1 L14 Small Block Chevy

1977-1982 Chevy C20

Gen 1 LG3 Small Block Chevy

1968-1973 Chevy C20 Suburban

Gen 1 L14 Small Block Chevy

1976-1978 Chevy C20 Suburban

Gen 1 LG3 Small Block Chevy

1968-1973 Chevy C30

Gen 1 L14 Small Block Chevy

1978-1979 Chevy C30

Gen 1 LG3 Small Block Chevy

1969-1973 Chevy Camaro

Gen 1 L14 Small Block Chevy

1976-1982 Chevy Camaro

Gen 1 LG3 Small Block Chevy

1968-1973 Chevy Caprice

Gen 1 L14 Small Block Chevy

1977 Chevy Caprice

Gen 1 LG3 Small Block Chevy

1983 Chevy Caprice

2-Piece Rear Main Chevy 350

1985 Chevy Caprice

2-Piece Rear Main Chevy 350

1968-1973 Chevy Chevelle

Gen 1 L14 Small Block Chevy

1968 Chevy Chevy II

Gen 1 L14 Small Block Chevy

1980 Chevy Corvette

Gen 1 LG3 Small Block Chevy

1985 Chevy Corvette

2-Piece Rear Main Chevy 350

1968-1973 Chevy El Camino

Gen 1 L14 Small Block Chevy

1976-1977 Chevy El Camino

Gen 1 LG3 Small Block Chevy

1978-1979 Chevy El Camino

2-Piece Rear Main Chevy 350
Gen 1 LG3 Small Block Chevy

1980-1982 Chevy El Camino

Gen 1 LG3 Small Block Chevy

1983 Chevy El Camino

2-Piece Rear Main Chevy 350

1969-1970 Chevy Estate

Gen 1 L14 Small Block Chevy

1977-1982 Chevy G10

Gen 1 LG3 Small Block Chevy

1968-1969 Chevy G10 Van

Gen 1 L14 Small Block Chevy

1970 Chevy G10 Van

2-Piece Rear Main Chevy 350
Gen 1 L14 Small Block Chevy

1971-1973 Chevy G10 Van

Gen 1 L14 Small Block Chevy

1977-1982 Chevy G20

Gen 1 LG3 Small Block Chevy

1968-1973 Chevy G20 Van

Gen 1 L14 Small Block Chevy

1978-1979 Chevy G30

Gen 1 LG3 Small Block Chevy

1982 Chevy G30

Gen 1 LG3 Small Block Chevy

1970 Chevy G30 Van

2-Piece Rear Main Chevy 350

1968-1973 Chevy Impala

Gen 1 L14 Small Block Chevy

1977-1982 Chevy Impala

Gen 1 LG3 Small Block Chevy

1983 Chevy Impala

2-Piece Rear Main Chevy 350

1985 Chevy Impala

2-Piece Rear Main Chevy 350

1968-1973 Chevy K10

Gen 1 L14 Small Block Chevy

1977-1979 Chevy K10

Gen 1 LG3 Small Block Chevy

1981-1982 Chevy K10

Gen 1 LG3 Small Block Chevy

1968-1973 Chevy K10 Suburban

Gen 1 L14 Small Block Chevy

1976-1982 Chevy K10 Suburban

Gen 1 LG3 Small Block Chevy

1968-1973 Chevy K20

Gen 1 L14 Small Block Chevy

1977-1978 Chevy K20

Gen 1 LG3 Small Block Chevy

1980 Chevy K20

Gen 1 LG3 Small Block Chevy

1968-1973 Chevy K20 Suburban

Gen 1 L14 Small Block Chevy

1977-1978 Chevy K20 Suburban

Gen 1 LG3 Small Block Chevy

1968-1973 Chevy K30

Gen 1 L14 Small Block Chevy

1970-1974 Chevy K5 Blazer

2-Piece Rear Main Chevy 350

1977-1981 Chevy K5 Blazer

Gen 1 LG3 Small Block Chevy

1983 Chevy K5 Blazer

2-Piece Rear Main Chevy 350

1985 Chevy K5 Blazer

2-Piece Rear Main Chevy 350

1969-1972 Chevy Kingswood

Gen 1 L14 Small Block Chevy

1973 Chevy Laguna

Gen 1 L14 Small Block Chevy

1976 Chevy Laguna

2-Piece Rear Main Chevy 350
Gen 1 LG3 Small Block Chevy

1973 Chevy Malibu

Gen 1 L14 Small Block Chevy

1976-1982 Chevy Malibu

Gen 1 LG3 Small Block Chevy

1970-1971 Chevy Monte Carlo

2-Piece Rear Main Chevy 350

1973-1975 Chevy Monte Carlo

2-Piece Rear Main Chevy 350

1976-1977 Chevy Monte Carlo

Gen 1 LG3 Small Block Chevy

1982-1983 Chevy Monte Carlo

2-Piece Rear Main Chevy 350

1976-1979 Chevy Monza

Gen 1 LG3 Small Block Chevy

1969-1973 Chevy Nova

Gen 1 L14 Small Block Chevy

1975 Chevy Nova

2-Piece Rear Main Chevy 350

1976-1979 Chevy Nova

Gen 1 LG3 Small Block Chevy

1980-1983 Chevy P30

2-Piece Rear Main Chevy 350

1985 Chevy P30

2-Piece Rear Main Chevy 350

1968-1969 Chevy P30 Van

Gen 1 L14 Small Block Chevy

1970 Chevy P30 Van

2-Piece Rear Main Chevy 350

1973 Chevy P30 Van

Gen 1 L14 Small Block Chevy

1969-1972 Chevy Townsman

Gen 1 L14 Small Block Chevy

1967 GMC C15/C1500 Suburban

2-Piece Rear Main Chevy 350

1980-1984 GMC C1500

2-Piece Rear Main Chevy 350

1980-1986 GMC C1500 Suburban

2-Piece Rear Main Chevy 350

1968-1972 GMC C25/C2500 Pickup

Gen 1 L14 Small Block Chevy

1968-1972 GMC C25/C2500 Suburban

Gen 1 L14 Small Block Chevy

1968-1972 GMC C35/C3500 Pickup

Gen 1 L14 Small Block Chevy

1978-1987 GMC Caballero

2-Piece Rear Main Chevy 350

1975-1978 GMC G15

2-Piece Rear Main Chevy 350

1967-1974 GMC G15/G1500 Van

2-Piece Rear Main Chevy 350

1979-1986 GMC G1500

2-Piece Rear Main Chevy 350

1975-1978 GMC G25

2-Piece Rear Main Chevy 350

1967-1974 GMC G25/G2500 Van

2-Piece Rear Main Chevy 350

1979-1986 GMC G2500

2-Piece Rear Main Chevy 350

1975-1978 GMC G35

2-Piece Rear Main Chevy 350

1967 GMC G35/G3500 Van

2-Piece Rear Main Chevy 350

1970-1974 GMC G35/G3500 Van

2-Piece Rear Main Chevy 350

1979-1986 GMC G3500

2-Piece Rear Main Chevy 350

1974-1977 GMC Jimmy

2-Piece Rear Main Chevy 350

1983-1984 GMC Jimmy

2-Piece Rear Main Chevy 350

1979-1984 GMC K1500

2-Piece Rear Main Chevy 350

1968-1972 GMC K25/K2500 Pickup

Gen 1 L14 Small Block Chevy

1968-1972 GMC K25/K2500 Suburban

Gen 1 L14 Small Block Chevy

1979-1984 GMC K2500

2-Piece Rear Main Chevy 350

1968-1972 GMC K35/K3500 Pickup

Gen 1 L14 Small Block Chevy

1967 GMC Suburban

Gen 1 L14 Small Block Chevy