o/r H installed
Thread Starter
4th Gear Member
Joined: Dec 2007
Posts: 1,503
From: Maryland
o/r H installed
Did the driveway o/r h-pipe install today. 1 1/2 hours of work saved me $150 from paying the shop to do it. Whoa freakin' nelly! O/R H w/ my SLP LM1s are....ummm, LOUD! Can feel the vibrating of the straight-through muffs from what I guess is so much air passing through. I have a Diablo, but have not turned the sensors off yet. My "service" light is already on as I just have the rear sensors zip tied b/c I don't have the extensions. Will simply turning off the sensors...1) delete the need for the extensions...2) turn the warning light off?As always, any advice appreciated. Thanks alot guys.
1st Gear Member
Joined: Nov 2007
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RE: o/r H installed
I am not 100% sure but I will give you an answer that makes sense to me. Turning of the sensor will make it so you don’t need the extensions. I would also think because the sensor is turned of it wont be able to throw any codes, so you should not have any warning lights.
4th Gear Member
Joined: Feb 2006
Posts: 1,667
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RE: o/r H installed
ORIGINAL: B.O.B MACH 1
I am not 100% sure but I will give you an answer that makes sense to me. Turning of the sensor will make it so you don’t need the extensions. I would also think because the sensor is turned of it wont be able to throw any codes, so you should not have any warning lights.
I am not 100% sure but I will give you an answer that makes sense to me. Turning of the sensor will make it so you don’t need the extensions. I would also think because the sensor is turned of it wont be able to throw any codes, so you should not have any warning lights.
Also throw some flows or any other chambered muffler on and you wont have the machine gun sound/loudness you have now.
Thread Starter
4th Gear Member
Joined: Dec 2007
Posts: 1,503
From: Maryland
RE: o/r H installed
Thanks Furinox and Bob for the advice. Either y'all know if LM2s are chambered, or just a quieter straight-through muff? Asking b/c those are supposed to be quieter and those would bolt right on with the 3 pc. design of the SLPs.
4th Gear Member
Joined: Feb 2008
Posts: 1,447
From: Charlottesville, VA
RE: o/r H installed
ORIGINAL: rygi23
Thanks Furinox and Bob for the advice. Either y'all know if LM2s are chambered, or just a quieter straight-through muff? Asking b/c those are supposed to be quieter and those would bolt right on with the 3 pc. design of the SLPs.
Thanks Furinox and Bob for the advice. Either y'all know if LM2s are chambered, or just a quieter straight-through muff? Asking b/c those are supposed to be quieter and those would bolt right on with the 3 pc. design of the SLPs.
6th Gear Member
Joined: Feb 2007
Posts: 11,302
From: North Carolina
RE: o/r H installed
SLP LM1s and LMIIs are both straight thru mufflers. LM2s have packing, LM1s do not. The LM1s are more or less just resonators, nothing more than a hollow muffler.
I disagree with the O2 extension delete. Your tuner is not turning anything off, it is telling your PCM that the voltage being sent from the 02 sensors is correct. When you remove your cats, the voltage/resistance changes the readings. If you have zero readings coming from your 02 sensors, your programmer cannot correct that.Your PCMhas to have an electrical reading from your O2 sensors, and the PCM has to be programmed to compensate correctly. Trust me, just get some extensions or add the extra wire yourself. Also, double check the box your ORH came in, they should of sent you some extensions.
I disagree with the O2 extension delete. Your tuner is not turning anything off, it is telling your PCM that the voltage being sent from the 02 sensors is correct. When you remove your cats, the voltage/resistance changes the readings. If you have zero readings coming from your 02 sensors, your programmer cannot correct that.Your PCMhas to have an electrical reading from your O2 sensors, and the PCM has to be programmed to compensate correctly. Trust me, just get some extensions or add the extra wire yourself. Also, double check the box your ORH came in, they should of sent you some extensions.
4th Gear Member
Joined: Feb 2008
Posts: 1,447
From: Charlottesville, VA
RE: o/r H installed
ORIGINAL: Stone629
SLP LM1s and LMIIs are both straight thru mufflers. LM2s have packing, LM1s do not. The LM1s are more or less just resonators, nothing more than a hollow muffler.
I disagree with the O2 extension delete. Your tuner is not turning anything off, it is telling your PCM that the voltage being sent from the 02 sensors is correct. When you remove your cats, the voltage/resistance changes the readings. If you have zero readings coming from your 02 sensors, your programmer cannot correct that.Your PCMhas to have an electrical reading from your O2 sensors, and the PCM has to be programmed to compensate correctly. Trust me, just get some extensions or add the extra wire yourself. Also, double check the box your ORH came in, they should of sent you some extensions.
SLP LM1s and LMIIs are both straight thru mufflers. LM2s have packing, LM1s do not. The LM1s are more or less just resonators, nothing more than a hollow muffler.
I disagree with the O2 extension delete. Your tuner is not turning anything off, it is telling your PCM that the voltage being sent from the 02 sensors is correct. When you remove your cats, the voltage/resistance changes the readings. If you have zero readings coming from your 02 sensors, your programmer cannot correct that.Your PCMhas to have an electrical reading from your O2 sensors, and the PCM has to be programmed to compensate correctly. Trust me, just get some extensions or add the extra wire yourself. Also, double check the box your ORH came in, they should of sent you some extensions.
6th Gear Member
Joined: Feb 2007
Posts: 11,302
From: North Carolina
RE: o/r H installed
44ssound excellent with the H-Pipes, mixed reviews with X-Pipes. I have an ORX with Flows and I'm not so sure I like it. It doesn't sound bad, just not really my taste. I want Magnapacks or SLPs with the X. H-pipes and chambered muffs are a very good combo for sound in my opinion.
One thing about chambered mufflers. They flow terrible. Don't expect much gain with a chambered cat-back system. Straight thru mufflers are just that, straight thru flow with zero restriction.
One thing about chambered mufflers. They flow terrible. Don't expect much gain with a chambered cat-back system. Straight thru mufflers are just that, straight thru flow with zero restriction.