Stainless Works 2015-18 Mustang Shelby GT350 Header System w/Hi-Flow Cats GT350HCAT

Stainless Works
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2015-18 Shelby Mustang GT350 5.2L long-tube headers. Starting with our durable ?” thick flanges into 1-?” diameter primaries, 3” slip-fit collectors with merge spike, then fitting into 3” catted or offroad leads. Fits factory connection point to the vehicle’s factory exhaust. No-kinks CNC mandrel belt pipes give a boost of power and longevity with our Lifetime Warranty on our beautiful 304 stainless steel.


Get the most out of your Shelby GT350 with Stainless Works' Performance Exhaust systems.


  • Peak gains of 22+ RWHP and 18+ TQ
  • 1-?” Primaries
  • 304 Stainless Steel
  • TIG welded for strength
  • Mandrel bent (no buckling) for optimal flow
  • Designed and Built in Chagrin Falls, Ohio, USA