First Generation Firebird-L Mailing List ......................................................................... The H pipe equalizes the back-pressure on the cylinder heads. I'm no expert on engine performance, but intuitively it seems like that would cause your engine to run more efficiently, which should result in increased horsepower.
Bobby '68 400 4-speed -----Original Message----- From: [email protected] [mailto:[EMAIL PROTECTED] On Behalf Of Jim Sent: Sunday, July 20, 2008 8:23 PM To: First Generation Firebird-L Subject: [FGF] h-pipe x-pipe First Generation Firebird-L Mailing List .......................................................................... How important is the h-pipe in the exhaust system? Mines been replaced with just pipes on each side with a muffler. ------------------------------------------------------------------------ Submissions to Firebird-L: <[email protected]> Unsubscribe from Firebird-L: <[EMAIL PROTECTED]> Help: <http://FirstGenFirebird.org/firebird/Firebird-L.html> Classifieds: <http://FirstGenFirebird.org/ubb/> Owner Pictures: <http://FirstGenFirebird.org/show/> Donations: <http://FirstGenFirebird.org/store/cart.mv?999999> FGF Merchandise: <http://FirstGenFirebird.org/store> ------------------------------------------------------------------------ Submissions to Firebird-L: <[email protected]> Unsubscribe from Firebird-L: <[EMAIL PROTECTED]> Help: <http://FirstGenFirebird.org/firebird/Firebird-L.html> Classifieds: <http://FirstGenFirebird.org/ubb/> Owner Pictures: <http://FirstGenFirebird.org/show/> Donations: <http://FirstGenFirebird.org/store/cart.mv?999999> FGF Merchandise: <http://FirstGenFirebird.org/store>
