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Red Mustang Gt 46 · 08-18-2003, 06:11 PM

In my experience an X will net a couple HP above the H...the 4.6 operates in the upper RPM's. I had a catted MAC H a long time ago, not bad but noticeably different in the upper RPM's. The sound of the catted X is not much different than the H (notice I said catted). I would suggest the X in my experience...Especially the MAGNAFLOW.

08-18-2003, 06:11 PM	#4
Red Mustang Gt 46 13.3 @ 103 Join Date: May 2001 Location: Maryland Posts: 253	In my experience an X will net a couple HP above the H...the 4.6 operates in the upper RPM's. I had a catted MAC H a long time ago, not bad but noticeably different in the upper RPM's. The sound of the catted X is not much different than the H (notice I said catted). I would suggest the X in my experience...Especially the MAGNAFLOW. __________________ Equipment by: Steeda C&L COMP CAMS FRPP MSD Bassani Magnaflow MAC