DNAMotoring HDS-SBC-SB Racing Exhaust Header

Getting more air into your engine and more exhaust out is the key to a performance motor. That’s where exhaust headers is significant as the first revenue of an exhaust system. Exhaust performance headers manipulate the air flow with the performance-robbing exhaust manifold that came with your car. Headers provide each cylinder with its own mini exhaust pipe, which means exhaust headers prevent interference among cylinders, thus, the backpressure that occurs in common exhaust manifolds. When cylinders don’t have to fight with each other to expel their exhaust, they can put more power through the wheels, pushing the vehicle. Combining with a high performance cold air intake, and a cat-back exhaust system, a header system removes all restrictions of your engine, then, it is able to perform at its full potential. Compatible with: Fits all small block Chevy v8 engines from ’55+ using the standard exhaust pattern – 283, 305, 327, 350, 400,… Etc.

Product Features

  • Made of high quality t304 stainless steel for strength and durability
  • Tag welded conk machine flange for precision and fitment
  • Offers the best flow characteristics for the engine at high engine speeds
  • Increase high flow air, instantly gain 10 -15 hp. / Tw
  • 1.5″ inlet / 2.5″ outlet / 3-bolt flange

3 thoughts on “DNAMotoring HDS-SBC-SB Racing Exhaust Header”

  1. I haven’t put them on yet but they look great for what I paid for them I haven’t put them on yet but they look great for what I paid for them. They belong on a show car.Update. Installed them on a 1974 Chevy 350 in a 1981 Jeep CJ7. I had to grind down one of the motor mounts for clearance. The passenger side header dumps right down over the front driveshaft. The muffler shop had to do some creative pipe bending to get clearance. You may have to grind on the header where it bolts to the head to clear your temperature sender. I just moved the temp sender to…

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