Thread: What's inside my SPF sidepipes?
View Single Post
  #1 (permalink)  
Old 02-26-2004, 09:04 AM
RedBarchetta RedBarchetta is offline
Banned
Visit my Photo Gallery

 
Join Date: Oct 2003
Location: Yorba Linda, CA
Cobra Make, Engine: SPF w/392CI stroker
Posts: 3,293
Not Ranked     
Default What's inside my SPF sidepipes?
Fiberglass packing? Steel wool? Perforated steel inserts or cones?

I just want to understand what makes them so quiet when compared to others I've heard.
Reply With Quote