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FivepointOH · 10-07-2001, 07:45 PM

I have mac 1 5/8 longtubes with the matching offroad hpipe on my car right now. It won't pass inspection so I am thinking about buying an xpipe with cats to replace the hpipe. Does anyone make a xpipe to fit my headers? How much hp will I gain/lose by going from an offroad hpipe to a xpipe with cats? Also how much quieter will it get(I WANT IT LOUD but I need that inspection sticker)?

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92 AOD GT, K&N, ram air, pulleys, 2 ch. flowmasters, 4:10's, shift kit, 1 5/8 mac longtubes and offroad hpipe 14.249 @ 97.34 mph before the headers and hpipe

10-07-2001, 07:45 PM	#1
FivepointOH Registered Member Join Date: Jan 1999 Location: Sugar Land, Tx USA Posts: 478	Xpipe vs Hpipe with longtubes? I have mac 1 5/8 longtubes with the matching offroad hpipe on my car right now. It won't pass inspection so I am thinking about buying an xpipe with cats to replace the hpipe. Does anyone make a xpipe to fit my headers? How much hp will I gain/lose by going from an offroad hpipe to a xpipe with cats? Also how much quieter will it get(I WANT IT LOUD but I need that inspection sticker)? ------------------ 92 AOD GT, K&N, ram air, pulleys, 2 ch. flowmasters, 4:10's, shift kit, 1 5/8 mac longtubes and offroad hpipe 14.249 @ 97.34 mph before the headers and hpipe