The Pro Header Systems merge collector is constructed of 304 Stainless Steel. Built for low end torque, this collector will broaden the torque band in more friendly rpm which will help save valvetrain parts and usage. Six sizes are available from 1 3/4 to 2 5/8.

The Pro Header Systems collector will be paying money for low qualifier, winner and runner up. All custom collectors will be built and shipped to order. When a full custom exhaust system is built for your race car, the collectors are discounted with every set of custom headers purchased. Dyno testing is is also available at an extra cost.

Pro Header Systems custom builds mandrel bend headers. We use only the highest quality of mild steel or 304A stainless for the really serious racer.
  
Merge Collector
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   Merge Collector
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Tri Y Collector
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   Collector 421
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