Jump to content
Sign in to follow this  

Akrapovic system VS. 4.1 FMF system

Recommended Posts

hey i have a 2009 yz250f and i am wondering if anyone knows what would would give me the most power a Akrapovic racing exhaust system pipe and header or a 4.1 Fmf exhaust system pipe and mega bomb header.

Share this post


Link to post
Share on other sites

for the same price Jesse at williams motorwerx can get you 3 times the HP gain at the same price, all while using the stock exhaust, cams and piston.

give him a call, he is a sponsor on this web site.

Share this post


Link to post
Share on other sites
for the same price Jesse at williams motorwerx can get you 3 times the HP gain at the same price, all while using the stock exhaust, cams and piston.

give him a call, he is a sponsor on this web site.

really? didnt know that. ill give him a call. thanks

Share this post


Link to post
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Reply with:

Sign in to follow this  

×