G gray owl Member Jan 19, 2026 24 9 13 Alberta Canada Feb 1, 2026 #1 Feb 1, 2026 #1 So after watching the YouTube videos on putting long tube headers on an S550 this is a job i am not willing to put myself through. Question to those who have, is the turmoil and the cost worth the reward. How much HP do those headers add .
So after watching the YouTube videos on putting long tube headers on an S550 this is a job i am not willing to put myself through. Question to those who have, is the turmoil and the cost worth the reward. How much HP do those headers add .
