1975-1979 Buick Skylark
1967-1981 Chevrolet Camaro
1962-1979 Chevy II, Nova
1972-1979 Pontiac Phoenix, Ventura
1967-1981 Pontiac Firebird
1973-1979 Oldsmobile Omega

Note:  for vehicles with Hooker Super Competition or Competition headers, where the headers do not exit parallel and at the same distance, modifications (cutting and welding) may be necessary for fit.

8148670 instructions   8158670 instructions  8158670 pictures    8178675 instructions

OUR NEW DESIGN FOR THE CAMARO/FIREBIRD
Part # 8258670-2-1/2", 8278675 = 3"
Part # 8258670M = 2-1/2" with turbos, 8278670M = 3" with turbos
Part # 8258670V = 2-1/2" with HVS, 8278670V = 3" with welded performance mufflers
1975-1979 Buick Skylark
1967-1981 Chevrolet Camaro
1962-1979 Chevy II, Nova
1972-1979 Pontiac Phoenix, Ventura
1967-1981 Pontiac Firebird
1973-1979 Oldsmobile Omega

Note:  for vehicles with Hooker Super Competition or Competition headers, where the headers do not exit parallel and at the same distance, modifications (cutting and welding) may be necessary for fit.
Note: for 409 s/s or 304 s/s kits, add a "1" after the "4" or "3" for the 2-1/2" systems.

8258670 instructions  8258670 pictures        8278670 instructions    8278670 pictures



Part # 8148690 = 2-1/4", 8158690 = 2-1/2", 8178695 = 3"
Part # 8148690M = 2-1/4" with turbos, 8158690M = 2-1/2" with turbos, 8178695M = 3" with turbos
Part # 8148690V = 2-1/4" with HVS, 8158690V = 2-1/2" with HVS, 8178695V = 3" with welded performance mufflers
1965-1972 Buick Skylark
1964-1972 Chevelle, Malibu, El Camino
1970-1972 Monte Carlo
1965-1972 Oldsmobile Cutlass
1966-1972 Le Mans, Tempest
1969-1972 Pontiac Grand Prix

    8148690V sound clip

Note:  El Camino models may need extra extension pipes for longer wheel bases.

8148690 instructions   8158690 instructions    8178695 instructions

Part # 8148700 = 2-1/4", 8158700-2-1/2"
Part # 8148700M = 2-1/4" with turbos, 8158700M = 2-1/2" with turbos
Part # 8148700V = 2-1/4" with HVS, 8158700V = 2-1/2" with HVS
1973-1977 Buick Century, Regal
1973-1977 Chevelle, Malibu, El Camino
1973-1977 Monte Carlo
1973-1977 Oldsmobile Cutlass
1973-1977 Pontiac Grand Prix
1973 Le Mans, Tempest

Note:  El Camino models may need extra extension pipes for longer wheel bases.

8148700 instructions   8158700 instructions 

Part # 8158710 = 2-1/2"
Part # 8158710M = 2-1/2" with turbos
Part # 8158710V = 2-1/2" with HVS
1978-1988 GM G-body--GM midsize, Malibu, Cutlass, Le Mans, Grand Prix, Monte Carlo, Regal

Note:  double hump cross-member required, for off-road use only.
Note:  we recommend Dynomax header # 85121 or 86121 for this application.

8158710 instructions   8158710 pictures

Part # 8148680 = 2-1/4", 8158680 = 2-1/2"
Part # 8148680M = 2-1/4" with turbos, 8158680M = 2-1/2" with turbos
Part # 8148680V = 2-1/4" with HVS, 8158680V = 2-1/2" with HVS
1964-1973 Ford Mustang
1967-1973 Mercury Cougar

Note: for vehicles with headers that do not exit parallel to the drive shaft, modifications to the passenger side front pipe are necessary
Note: not for use with Flowtech header # 32102FLT, without modifications to the front extension pipes
Note:  will not bolt up to Thorley tri-y headers without modifications to the front pipes

8148680 instructions   8158680 instructions   

Part # 8158722 = 2-1/2", 8168720 = 3"
Part # 8158722M = 2-1/2" with turbos, 8168720M = 3" with turbos
Part # 8158722V = 2-1/2" with HVS, 8168720V = 3" with HVS welded performance mufflers
1968-1974 B-body--Charger, GTX, Coronet, Belvedere, Satellite, Roadrunner, Super Bee, R/T, all with V8, standard headers, and with 3" collectors at the headers

Note:  we recommend use of Hooker Super Competition headers for this application, modifications will be necessary for use with Flowtech headers on the driver side

8158722 pictures   8168720 pictures   8158722 instructions   8168720 instructions

Part # 8158732 = 2-1/2", 8168730 = 3"
Part # 8158732M = 2-1/2" with turbos, 8168730M = 3" with turbos
Part # 8158732V = 2-1/2" with HVS, 8168730V = 3" with HVS welded performance mufflers
1970-1974 E-body-Challenger, Barracuda, all with V8, standard headers, and with 3" collectors at the headers

Note:  we recommend use of Dynomax headers for this application, modifications to the front extension pipes may be necessary for use with other header designs

8158732 pictures   8168730 pictures   8158732 instructions   8168730 instructions

Part # 8158742 = 2-1/2", 8168740 = 3"
Part # 8158742M = 2-1/2" with turbos, 8168740M = 3" with turbos
Part # 8158742V = 2-1/2" with HVS, 8168740V = 3" with HVS welded performance mufflers
1967-1974 A-body--Dart/Duster/Demon/Valiant, 1967-1969 Barracuda, all with V8, standard headers, and with 3” collectors at the headers

Note:  we recommend use of Hooker Competition headers for this application, modifications to the front extension pipes may be necessary for use with other header designs

8158742 pictures   8168740 pictures   8158742 instructions   8168740 instructions

Part # 2069490 = 2-1/2"
1982-1993 S10 2WD true dual kit with 350 c.i. and turbo 350 transmission, w/long tube headers, includes dual in/out HVS muffler, for off-road use only

This product was designed for use with Hedman Hedders #69490, Trans Dapt mount system #4689, a 350 V8 with a turbo 350 transmission. Any other combinations will require modification.

2069490 instructions     2069490 pictures

Part # 2069520 = 2-1/2"
1982-1993 S10 2WD true dual kit with 350 c.i. and turbo 350 transmission, w/shorty headers, includes dual in/out HVS muffler, for off-road use only

2069520 instructions    2069520 pictures

Aluminized (or 409 or 304 stainless steel) universal kit designed mostly with the rod builder in mind.  Each kit comes complete with four 4' long straight sections of flash controlled aluminized tubing, four 180 degree mandrel bends, four 90 degree mandrel bends, and four 45 degree mandrel bends.  Custom fabricating including cutting and welding is necessary.  You will also need to purchase separately performance mufflers, clamps and hangers, header collectors, gaskets, tips, hardware, and etc, give us a call and we can make some recommendations.  Your choice of 2-1/4", 2-1/2", 3". 

Size	Aluminized	409 Stainless	304 Stainless
2-1/4"	1001134	2401134	2301134
2-1/2"	1001135	2401135	2301135
3"	1001136	2401136	2301136

16 gauge aluminized or 409 stainless steel with either a 2-1/2", 3", or 3-1/2" collector. Includes collectors, steel collector flanges, gaskets, and mounting hardware. I.D. sizes are also available.  ID are for use with x-tube kits.

Convert your standard header to a merge collector header with this universal weld up kit.  Simply cut your headers at the junction of the primaries and the front of the collector, weld the primaries to the included 4-hole collector ring, weld on the center divider, then weld the collector to the system.  Kit contains two aluminized steel 16 gauge collectors, two 4-hole collector flange, and two center dividers.  Note:  cutting, welding, and fabrication are required.