I had a cheap Tsudo UEL header on my RS for a short while.... Had it on while my EL Cobb headers were being re-powder coated.
They definitely extenuated the rumble, but the HP drop was significant versus the EL.... Even the stock manifold performed better, imo. BUT, that rumble...
We’re the best Subaru Forester Owners Forum to talk about the best years of the Subaru Forester, modifications and reliability history of the Subaru Forester.