T tsrek New Member Apr 8, 2005 16 0 0 May 13, 2005 #1 May 13, 2005 #1 Has anyone seen a dyno gain from Modding only the exhaust? Like Cat back systems or Axle back systems? Is anyone seen a gain from changing the exhaust at all? and if so how much real HP? Thanks In advance.
Has anyone seen a dyno gain from Modding only the exhaust? Like Cat back systems or Axle back systems? Is anyone seen a gain from changing the exhaust at all? and if so how much real HP? Thanks In advance.