Subaru Enthusiasts Car Club of the Sierras - View Single Post - OEM catless vs. aftermarket up pipe DEBATE

GrimmSpeed · 2010-04-30, 11:12 AM

GUTTED OEM UP PIPE RESULTS

Subaru Gutted OEM Up Pipe at 28" - 216.1 CFM

I was rather shocked by this number compared to the oem catless up pipe. The oem catless is still about 30cfm more than a gutted oem.

Subaru Gutted OEM Up Pipe

Justin

2010-04-30, 11:12 AM	#26
GrimmSpeed EJ22 Join Date: May 2008 Posts: 244	GUTTED OEM UP PIPE RESULTS Subaru Gutted OEM Up Pipe at 28" - 216.1 CFM I was rather shocked by this number compared to the oem catless up pipe. The oem catless is still about 30cfm more than a gutted oem. Subaru Gutted OEM Up Pipe Justin