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Investment Cast Collector Flange

Cast Collector Flange

Ultimate Headers use ultra-strong, engineered investment cast collector flanges to connect to the exhaust downpipes, with three different flange attachment options:

  • 3-bolt — 3-inch OD
  • 4 finish options:
  • As Cast (Standard)
  • Satin (optional)
  • Vibratory Polished (optional)
  • Mirror Polished (optional)

The Ultimate Header Investment Cast Collector Flange is 30% lighter than the typical 3/8” thick laser cut flange.



Flanges Cast Tight Radius Bends 321 Stainless Collector Flanges Collector Flanges Customer Rides Latest Install Flanges Cast Tight Radius Bends 312 Stainless

Ultimate Headers are sold exclusively through performance and installer shops. For products, specs and where to buy click here.