Down Pipes Too Small?

p4ndiamond · January 6th, 2012, 02:06 PM

So when i had my cats removed the exhaust guy made the down pipees like 2 inches diameter or mb a little less almost. Do you think that has any ill effects on upper end performance since i have no back pressure besides mufflers ? Im going to get him to redo them but figured i would inquire before i spend cash on this.

96-GT_Josh · January 6th, 2012, 11:52 PM

2" dia is small as shit. But if im correct you should see more top end less bottom with straight pipes.

According to american muscles exhaust, midpipe, header buyers guide. Others here with actual dyno numbers may of more help though. Cant always believe what you read.

p4ndiamond · January 7th, 2012, 12:59 AM

Yeah haha. thats what i was figuring. im just going to have him recut me ones that are normal cause thats so small.

1989Gt. · January 7th, 2012, 02:20 PM

He did it cause hr thoyght the collectors on the headers were 2 inch or what?

January 6th, 2012, 02:06 PM	#1
p4ndiamond Hardcore Enthusiast 1997 Pacific Green Cobra 14.80 No traction Join Date: May 2010 Location: New Orleans Posts: 1,216 iTrader: 0 reviews	Down Pipes Too Small? So when i had my cats removed the exhaust guy made the down pipees like 2 inches diameter or mb a little less almost. Do you think that has any ill effects on upper end performance since i have no back pressure besides mufflers ? Im going to get him to redo them but figured i would inquire before i spend cash on this. __________________ GT ENGINE (temporary) 4.30 Gears , 31 spline Moser axles , Detroit tru Trac diff, Jmod 4r70w , Pi intake Hitech stage 2 cam, Vortech V2 3.33 pulley. Alum drive shaft. Lowering kit x2 ball joints ,screamin demon coils, LCA "

January 7th, 2012, 12:59 AM	#3
p4ndiamond Hardcore Enthusiast 1997 Pacific Green Cobra 14.80 No traction Join Date: May 2010 Location: New Orleans Posts: 1,216 iTrader: 0 reviews	Yeah haha. thats what i was figuring. im just going to have him recut me ones that are normal cause thats so small. __________________ GT ENGINE (temporary) 4.30 Gears , 31 spline Moser axles , Detroit tru Trac diff, Jmod 4r70w , Pi intake Hitech stage 2 cam, Vortech V2 3.33 pulley. Alum drive shaft. Lowering kit x2 ball joints ,screamin demon coils, LCA "

January 7th, 2012, 02:20 PM	#4
1989Gt. Hardcore Enthusiast 1989 Mustang GT Join Date: Apr 2008 Posts: 2,799 iTrader: 0 reviews	He did it cause hr thoyght the collectors on the headers were 2 inch or what? __________________ MM FOBRA CLUB MEMBER #1

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January 6th, 2012, 11:52 PM	#2
96-GT_Josh Regular 1996 Mustang GT Join Date: Nov 2011 Location: Baltimore, MD Posts: 170 iTrader: 0 reviews	2" dia is small as shit. But if im correct you should see more top end less bottom with straight pipes. According to american muscles exhaust, midpipe, header buyers guide. Others here with actual dyno numbers may of more help though. Cant always believe what you read.

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