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Home  » Chevrolet - GMC  » Chevrolet / GMC Trucks > 1973-1987 2-Wheel Drive  » 1973-1987 Truck and 1973-1991 Suburban, Blazer and Jimmy 2WD SBC THY-300Y-C
1973-1987 Truck and 1973-1991 Suburban, Blazer and Jimmy 2WD SBC THY-300Y-C
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Price: $641.00 - $665.00

1973-1987 Truck and 1973-1991  Suburban, Blazer and Jimmy 2WD SBC  THY-300Y-C

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Headers for 1973-1987 Trucks and 1973-1991 Suburbans, Blazers and Jimmys. Part number THY-300Y-C, THY-300Y-S-C or THY-300Y-DA-C. These are set up for dual exhaust (no-y-pipe included) and are not CARB legal unless your truck was originally equipped with dual exhaust and no catalytic converters.

These Doug Thorley Tri-Y headers are constructed of 14-gauge tubing with 3/8-inch flanges to give you the best quality you can get in a header! Plus they are ceramic coated to give a lifetime of performance!

  • Fits: 1973-1987 Chevrolet - GMC Truck and 1973-1991 Suburban, Blazer and Jimmy 2wd
  • Engine: Small Block Chevy 283-400 cid
  • Tube Size: 1-5/8-inch Primary and 2-1/2-inch Collector

   2009 BNR Performance