Need help guys. I have a worked head and wish to put a mugen 4>1 header. People comment that you loose power down low. Need your help re what is "down low" I assume its 0-4000 rpm?

Also what should be the maximum size of a custom exhaust system 2.25 or 2.5 ?

Thanks for the imput

 

http://bob123e.tripod.com/thegreatheadertest/

For the cat-back, mandrel-bent 2.5".

 

Thanks for the info.. Much appreciated!!!!!!!


Oh the JDM mugen is that the 4>1?

 

Yes - JDM Mugen 4-1 with 2.5" collector.

 

Legend!!!

Thanks mate

 

People dont know what the hell they are talking about.

 

Hey buddy sorry if I don't have your authoratative wisdom on cars. I simply came on this forum to find out a bit more..

I mean forgive me for trying to learn!!!

 

his post wasn't directed at you. you stated that people who told you you lose power down low. he was directing it at the people who told you that BS.