H hybrid71 New Member Joined Oct 12, 2009 Nov 20, 2011 #1 Anyone know who is currently selling 3" catalytic converter "bypass pipes" (aka test pipes)? I need one with the factory style, 4-bolt flange. Thanks, Mike
Anyone know who is currently selling 3" catalytic converter "bypass pipes" (aka test pipes)? I need one with the factory style, 4-bolt flange. Thanks, Mike
G granatl TRCM Author Joined May 25, 2001 Nov 22, 2011 #2 FULL THROTTLE SPEED - Headers and Exhaust (Buick)
