O/R X pipe and Catback

carlos · August 21st, 2008, 04:23 PM

Im buying an O/R X pipe and Catback and im not sure if i need to re-do my dyno tune. Can i just install it and leave it alone? I just dont want to spend more money on the dyno since i have paid $500 already.

MyGT · August 21st, 2008, 04:29 PM

No, you'll be fine. Just turn off the rear sensors

carlos · August 21st, 2008, 04:39 PM

Originally Posted by proto89

No, you'll be fine. Just turn off the rear sensors

Yeah I already have them off!!

carlos · August 21st, 2008, 06:02 PM

i have been looking at a UPR O/R X pipe. They have 2 for my car, except one has the 02 sensor extension. Do i need this or should i just get the one with no 02 extension?

Reloaded · August 21st, 2008, 06:28 PM

Hmm. Afraid I only know Machs well. But I know that '03 Machs do not require 02 extensions and '04s do. The stock h-pipes are different on the two models.

I assume that you aren't running a wideband?

slow02gt · August 21st, 2008, 06:29 PM

nah you dont need any..

carlos · August 21st, 2008, 06:36 PM

Im kind of new to the FI world so im not sure about the wide band. on a different note, I have heard of people re-tunning their car after installing an o/r x pipe because it leans out.

Reloaded · August 21st, 2008, 06:45 PM

Originally Posted by carlos

Im kind of new to the FI world so im not sure about the wide band. on a different note, I have heard of people re-tunning their car after installing an o/r x pipe because it leans out.

Every car is a little different and you'll hear both responses; tune it, don't tune it. The only way to be sure is, if you don't have a wide-band, to take it to the dyno and have them run it and check the a/f ratio. Wideband is the gauge that reads your a/f accurately. It uses more wires than a regular 02 sensor and is welded into your exhaust pipe near your upstream 02 in front of the cats (if you have them).
This is my wideband. It's an AEM unit:

carlos · August 21st, 2008, 06:52 PM

Originally Posted by Reloaded

Every car is a little different and you'll hear both responses; tune it, don't tune it. The only way to be sure is, if you don't have a wide-band, to take it to the dyno and have them run it and check the a/f ratio. Wideband is the gauge that reads your a/f accurately. It uses more wires than a regular 02 sensor and is welded into your exhaust pipe near your upstream 02 in front of the cats (if you have them).
This is my wideband. It's an AEM unit:

Thanks for the explanation. I guess i learned something today.

Reloaded · August 21st, 2008, 06:56 PM

Originally Posted by carlos

Thanks for the explanation. I guess i learned something today.

No problem. Just another gauge to help make sure that you keep track of what's going on with your engine and necessary to properly tune a car. But most people do dyno tuning so you can just use their W/B setup.

zinc02GT · August 21st, 2008, 08:01 PM

Im pretty sure that the 04 GTs as well need the O2 extensions.

I know for a fact that 02 and below dont need them....

August 21st, 2008, 04:23 PM	#1
carlos Regular Join Date: Nov 2007 Posts: 178 iTrader: 1 reviews	O/R X pipe and Catback Im buying an O/R X pipe and Catback and im not sure if i need to re-do my dyno tune. Can i just install it and leave it alone? I just dont want to spend more money on the dyno since i have paid $500 already. __________________

August 21st, 2008, 04:29 PM	#2
MyGT Hardcore Enthusiast 2004 Mustang GT 13.1@105 Join Date: Oct 2007 Location: Houston Posts: 2,171 iTrader: 6 reviews	No, you'll be fine. Just turn off the rear sensors __________________ 2009 Super-Stangs Fantasy Football League Champion Thanks Brees!

August 21st, 2008, 06:02 PM	#4
carlos Regular Join Date: Nov 2007 Posts: 178 iTrader: 1 reviews	i have been looking at a UPR O/R X pipe. They have 2 for my car, except one has the 02 sensor extension. Do i need this or should i just get the one with no 02 extension? __________________

August 21st, 2008, 06:29 PM	#6
slow02gt Hardcore Enthusiast 2002 mustang gt 11.38@119 Join Date: Feb 2008 Location: beaumont, texas Posts: 2,657 iTrader: 1 reviews	nah you dont need any.. __________________ built motor,trickflow heads,logan intake,80mm comp turbo on the way..

August 21st, 2008, 06:36 PM	#7
carlos Regular Join Date: Nov 2007 Posts: 178 iTrader: 1 reviews	Im kind of new to the FI world so im not sure about the wide band. on a different note, I have heard of people re-tunning their car after installing an o/r x pipe because it leans out. __________________

August 21st, 2008, 08:01 PM	#11
zinc02GT HUGE RED HEADED DUDE W/FIVE-OH 2011 Mustang GT 12.1 @ 116 Join Date: Dec 2007 Location: Alabama Posts: 5,349 iTrader: 1 reviews	Im pretty sure that the 04 GTs as well need the O2 extensions. I know for a fact that 02 and below dont need them.... __________________ Mods in garage. New mods, new track times soon.

Remove Advertisements Sponsored Links
Forums at Modded Mustangs Advertisement Advertisement

Threads Similar to: O/R X pipe and Catback
Thread	Thread Starter	Forum	Replies	Last Post
what x pipe goes good w/ magnaflow catback?	006leenstang00	99-04	22	January 29th, 2008 04:30 AM
BBK X Pipe with Mac Catback?	TheTechnical99	V6 Mustangs	3	January 17th, 2008 02:56 PM
which catback for 4.6l GT with mac h pipe	SilverGT04	99-04	11	December 24th, 2007 01:27 PM
X-Pipe and Catback	motorhead6776	V6 Mustangs	3	November 23rd, 2007 02:12 AM
Y PIPE MAC CATBACK	knightster420	V6 Mustangs	7	August 27th, 2007 09:48 PM

All times are GMT -4. The time now is 11:51 PM.
Contact Us - Modded Mustangs - Privacy Statement - Top
Modded Mustangs is ©2005-2008, All Rights Reserved, And is Not Affiliated with Ford Motor Company. Forum is powered by vBulletin ©2000 - 2012, Jelsoft Ent. Ltd. & SEO by vBSEO 3.3.2 ©2009, Crawlability, Inc.