Thread
:
Exhaust HP gains?????
View Single Post
01-27-2010, 07:05 AM
#
21
x6xdrive50i
Enlisted Member
2
Rep
44
Posts
Drives: 2010 X6 50I
Join Date: Dec 2009
Location: Sydney Australia
iTrader: (
0
)
I guess the OEM exhaust is very efficient then if an aftermarket one is claiming to add only 5hp. I recall how crazy the R34 GTR can gain hp with an aftermarket catback. That said, the Hartge sounds pretty nice.
Appreciate
0
Quote
x6xdrive50i
View Public Profile
Find More Posts by x6xdrive50i