AFR claims the 225 outlaw head is the best 20* head on the market...
maybe they should take a look at these
http://www.yellowbullet.com/forum/showthread.php?t=317468 they claim 380CFM but ive heard from a few guys they are actually up over 390CFM
btw the thread title was based off the question in the trick flows new head thread about comparing them to AFR's. i actually had to go to AFR's site to see if they actually made anything like the trick flows. and noticed this
http://www.airflowresearch.com/SBF225.pdf
maybe they should take a look at these
http://www.yellowbullet.com/forum/showthread.php?t=317468 they claim 380CFM but ive heard from a few guys they are actually up over 390CFM
btw the thread title was based off the question in the trick flows new head thread about comparing them to AFR's. i actually had to go to AFR's site to see if they actually made anything like the trick flows. and noticed this
http://www.airflowresearch.com/SBF225.pdf