Horsepower gains?
#4
MBWorld Fanatic!
Joined: Jun 2009
Posts: 4,429
Likes: 60
From: Cypress, TX
'06 E55, '15 Jeep SRT8, '94 Mustang GT
As far as I know, American Racing doesn't make a cat-back for Mercedes, but they do make long-tube headers. What exactly are you looking at?
What are you talking about? ARH is one of the most popular headers around here.
What are you talking about? ARH is one of the most popular headers around here.