GMC Sierra Headers

GMC Sierra Performance Headers

An exhaust manifold essentially serves as a routing system for emissions gases leaving the engine bay. The GMC Sierra manifold directs the exhaust away from the vehicle’s working components and out the rear of the c ar, through the GMC Sierra exhaust pipe. Though sufficient, this is certainly not optimal. GMC SierraBack pressure caused by conventional exhaust manifolds means the manifold itself requires energy to function effectively. With a GMC Sierra exhaust header, much of this problem can be sidestepped.

GMC Sierra exhaust headers amount to what are smaller versions of exhaust pipes working in coordination with one another. Each Sierra exhaust header directs gases away from its corresponding cylinder and enables exhaust regulation that doesn’t result in the same back force that expends so much energy with traditional manifold setups. For those drivers who want a more efficient vehicle with less troublesome exhaust, a GMC Sierra aftermarket exhaust header will serve them well.


GMC Sierra Exhaust Header GMC Sierra Turbo Header GMC Sierra 4-1 Header
GMC Sierra Ceremic Header GMC Sierra Race Header GMC Sierra Chrome Header
GMC Sierra Exhaust Manifold GMC Sierra Header For Sale GMC Sierra Black Header
GMC Sierra DC Sports Header GMC Sierra DC Header GMC Sierra Skunk2 Header
Cheap GMC Sierra Header Cheap GMC Sierra Exhaust Header GMC Sierra Straight Header


  CamSS_85  -  (Staten Island, NY)
I would have rated these a 5 if it were not for the fact that they needed some additional sealant around the lens. Luckily I had some left over rubber sealant lying around - I'd read about and experienced this before with my other aftermarket lights. Overall I am very satisfied with the product and the customer service. I was notified of a short backorder (about a week) shortly after placing my order, which happens from time to time. Wes kept me updated and called me as soon as the item left. Great guys to deal with!
  Jack D.  -  (Austin, TX)
my car sounds aggressive with this exhaust n i felt the acceleration is smoother n more power when the vtec kicks
  Albert W.  -  (Dallas, TX)
great cat back system with amazing sound
  Tim T.  -  (.Raleigh, NC)
top quality header, took only a few days to receive. Will definitely buy from you guys again.
  Willy F.  -  (Bentonville, AR)
very nice quality shift knob. thx
  AL Z.  -  (Norwood, CO)
Got the duraflex hood for my Corvette, I like it. Good seller

42 reviews 4.5 out of 5 stars

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