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what each is? lol one looks like a X and one looks like a H. X pipe flows better, only reason to be doing H pipe is taking the cheap way doing your exhaust. Neither actually gives you more power or torque, just allows more flow and equalizes the pressures b/t the two pipes on a true dual system. Technically you are supposed to have some kind of a cross over on every true dual system.
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2001½ F150 XLT Crew Cab- true dual glasspacks with x-pipe, AEM intake, SCT X3 with VMP custom tunes, full stereo system, HID 55w heads and 35w fogs, 35% tint front and 20% rear, Lightning tail lights
04 F6 Sno Pro Team edition- MBRP race can, ODS clutch kit
01 YZ125- bored out to 144, PnP cylinder and head, Pro Circuit WORKS suspension, many other mods
Last edited by jayson_waltz : 02-25-2011 at 11:54 PM.
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