Thunder Alley Exhaust

2 replies to this topic
  • Braz

Posted December 22, 2005 - 06:18 AM


Anyone have one or know someone who does? Are they any good? They are like $350 for a complete system.

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  • stanleigh12

Posted December 22, 2005 - 06:52 AM


Why shortchange yourself? FMF 4.1 Titanium rips!!!!

  • Indy_WR450

Posted December 22, 2005 - 09:17 AM


Thunder Alley uses a stock style header so they dont recommend a full system unless your header is toast. I sold mine and settled on an FMF PowerCore IV with Sparky and quiet core insert has the best performance and easiest to tune the carburation. :applause: :bonk: :cry:
I found the Thunder Alley nearly impossibe to jet right with the 96 db insert. Wide open I could jet her but it was too loud! :cry: :cry: :p


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