Dual Exhaust Ideas?- Pics - The 1947 - Present Chevrolet & GMC Truck Message Board Network

**Classic Heartbeat** · 06-13-2004, 02:14 PM

Yes they do connect and yes there is an opening between them. The advantage of the "X" pipe over the "H" pipe it's the ability to scavenge is better. The "H" pipe tends to creat turbulance at higher RPM due to the fact it causes the gasses between the two sides to flow perpendicular to the natural flow of the exhaust. The "X" pipe however keeps everything flowing in the same direction, increasing it's abillity to scavenge. Especially at higher RPMs. WES

06-13-2004, 02:14 PM	#22
Classic Heartbeat Project Junkie! Fishing Poor!! Join Date: Dec 1999 Location: Olympia,Wa. 98512 Posts: 10,766	Yes they do connect and yes there is an opening between them. The advantage of the "X" pipe over the "H" pipe it's the ability to scavenge is better. The "H" pipe tends to creat turbulance at higher RPM due to the fact it causes the gasses between the two sides to flow perpendicular to the natural flow of the exhaust. The "X" pipe however keeps everything flowing in the same direction, increasing it's abillity to scavenge. Especially at higher RPMs. WES Last edited by Classic Heartbeat; 11-10-2004 at 11:45 AM.

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