View Single Post
Old 09-17-2008, 10:00 AM   #2 (permalink)
Geebee
EcoModding Apprentice
 
Join Date: Sep 2008
Location: Australia
Posts: 109
Thanks: 1
Thanked 5 Times in 5 Posts
Are you certain it is not just the fact that the intake can suck more freely?
Some manufacturers restrict the intake severely to quiten them down.
  Reply With Quote