HP from offroad Pipe?

adam0421 · June 6th, 2007, 01:02 AM

How much HP is typically gained from installing an offroad x pipe? how about with or without a tune?

Regency 2007 · June 6th, 2007, 01:15 AM

I know on my old 03 Mach1 gains were around 6-9 rwhp but that is a completely different motor...

Warning: You Will Lose Low End Torque!!! but it makes up for it in the mid to high range

GT/CS · June 6th, 2007, 04:24 AM

First, off you do not need to tune for an H or X pipe. The stock ECU measures backs pressure and "knows" what the exhaust scavenging is all by itself. As for HP gains...just from the addition of an H pipe? You mean without cats? Neglible at best by itself.

MaverickMLFD371 · June 6th, 2007, 09:12 AM

Originally Posted by GT/CS

First, off you do not need to tune for an H or X pipe. The stock ECU measures backs pressure and "knows" what the exhaust scavenging is all by itself. As for HP gains...just from the addition of an H pipe? You mean without cats? Neglible at best by itself.

An offroad H pipe doesn't required a tune, HOWEVER, if he has a tuner, he will need to utilize it to turn off the rear o2 sensors for after several miles a CEL can come on. If he does not have a tuner, then he will need to buy a set of MIL Eliminators that plug into the plus of the o2 sensors into thinking the car still has cats.

and a typical offroad pipe you see between 8-10hp.

Norse1974 · June 7th, 2007, 02:34 PM

I have an O-R X pipe on my car and gained 10RWHP without ever throwing a code.Maybe I got lucky.

June 6th, 2007, 01:02 AM	#1
adam0421 Regular 06 GT Join Date: Feb 2007 Location: Salt Lake City, UT Posts: 250	HP from offroad Pipe? How much HP is typically gained from installing an offroad x pipe? how about with or without a tune? __________________ In order to live, you must be willing to die. 06 Torch Red GT: pypes axleback, o/r H pipe. JLT bama 91 Race Tune, 4.10's 08 Ninja stock

June 6th, 2007, 04:24 AM	#3
GT/CS Regular Join Date: May 2007 Location: Wisconsin Posts: 122	First, off you do not need to tune for an H or X pipe. The stock ECU measures backs pressure and "knows" what the exhaust scavenging is all by itself. As for HP gains...just from the addition of an H pipe? You mean without cats? Neglible at best by itself. __________________ Ford Racing heads, Comp stage III cams, 4.10's, Steeda delete plates, SLP long tube headers, Custom 3'' X pipe, Magna flow 3" Magnapacks, Airaid CAI, SCT XCAL 2 93 tune, Steeda front and rear swaybars, Dynotech aluminum driveshaft, HTP TB spacer

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June 6th, 2007, 01:15 AM	#2
Regency 2007 Hardcore Enthusiast F-150 FX4 Join Date: May 2007 Location: Memphrica Posts: 1,153	I know on my old 03 Mach1 gains were around 6-9 rwhp but that is a completely different motor... Warning: You Will Lose Low End Torque!!! but it makes up for it in the mid to high range

June 7th, 2007, 02:34 PM	#5
Norse1974 Regular Join Date: Oct 2006 Posts: 277	I have an O-R X pipe on my car and gained 10RWHP without ever throwing a code.Maybe I got lucky.

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