Quote:
|
Originally Posted by 67ragtp
The reason Frank suggests 3" for 500+hp, is to prevent a hp loss due to a restrictive exhaust flow. Ive seen as much as a 20hp loss when 2.5 inch system is used on a 500+hp mill. Especially on crimp bent pipes. With the hp you mention a nice mandrel bent 2.5" system should be more than adiquite.
Rich
|
Thank you 
__________________
Forgelines - Ridetech - DSE Tubs - ZZ4/700R
|