Subaru Impreza WRX STI Forums: IWSTI.com - View Single Post - Stock cat-back, how much power and I losing?
Stock cat-back, how much power and I losing?
View Single Post
07-19-05, 08:10 PM
Advanced Contributor Level 4
93 SE-R, 69 SS
My Subaru Parts for sale
Join Date: Oct 2004
My guess would be only a difference of maybe 5-10 whp PEAK (top end).
View Public Profile
Send a private message to WRXRATED7
Find More Posts by WRXRATED7