outward rolled vs straight cut backbox

  1. Regular Poster Joined: Sep 2010 Rushden Posts: 286 Sundance GTI
    #1
    looking at getting the kamracing race exhaust system soon, is there any difference in performance/sound between the ouwardly rolled and straight cut backboxes or is it only cosmetic diffrence?
  2. Saxperience Hardcore! Joined: Nov 2007 Guantanamo Bay Posts: 28700 oyster card
    #2
    Cosmetic, Do they have a straight cut aswell? If so I might get one!