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Old 10-05-14, 11:06 AM   #1
Andyfishy
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Arrow PPE header installation

I have a 09' ISF and I'm planning to put the PPE header in it.
However, should I purchase the high flow cat too? Since it might be too loud combining with the Joe Z exhaust?
Any instructions to install the header? Or anything I need to be aware and careful when I bring it to a tuning shop?
Thanks everybody!!

Andy
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Old 10-05-14, 11:50 AM   #2
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I run Hi-Flow cats, not because of the noise, although that certainly is a consideration, but really because of the environment. I just think it's the right things to do.

As far as installation, the sub frame needs to be dropped, take it to someone who preferably has experience with ISF header installation. If no shop like that is in your area, follow the instructions carefully. It's not a job for a novice.

Edit, hey I see your from Santa Barbara. I lived there for 25 years, left in the nineties. One of my biggest regrets in life was leaving that town

You may find a shop in Ventura that has the experience.

Lou
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Old 10-05-14, 02:07 PM   #3
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My advice:

1) purchase O2 sensors (Denso) ahead of time. Just in case they are stripped coming off the OEM manifolds, they are there for a quick installation.

2) purchase heat sleeves for the wiring extensions. Many members have experienced melting of wires due to its close proximity to the piping

If you want hi-flow cats to soften the sound, that might be your best bet. Headers will make the car louder, which some like, while others prefer a quieter approach but still performing well.

Best of luck!
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Old 10-05-14, 03:23 PM   #4
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Quote:
Originally Posted by bnizzle87 View Post

2) purchase heat sleeves for the wiring extensions. Many members have experienced melting of wires due to its close proximity to the piping!
This step is no longer necessary with PPE headers, the headers now ship with insulation for the o2 sim wiring harness.

Lou
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Old 10-05-14, 03:53 PM   #5
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Good to know, Lou. Didn't know PPE included them with the extensions now.
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Old 10-05-14, 04:18 PM   #6
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See if ur Lexus dealer will do the install. Mine did it for $650 and have had zero issues with codes or anything else. I have no cats and with windows down there is a gas smell, nothing horrible but def noticeable.
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Old 10-06-14, 10:13 AM   #7
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It would be a bad idea to ask any dealer in California to install headers which remove the catalytic converters. You will need to find a muffler shop or an independent who is willing to risk the penalties from CARB for removing a catalytic converter.

Also, even if you replace the OEM cat with an aftermarket cat, you will not pass California smog legitimately. No headers for the IS-F are CARB approved. With the size of the IS-F market, it's also pretty unlikely there ever will be CARB approved headers. Getting the approval is a paperwork nightmare and costs a small fortune.
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Old 10-08-14, 10:51 AM   #8
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I couldnt even get local garages to install the Borla header back for that reason. Now I have Borla and PPE no cats and its not as loud as you would think.

I actually wouldnt mind it a little louder.
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Old 10-08-14, 11:16 AM   #9
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considering the CEL risk and the fact that you are so close to AZ, why not make a weekend trip and have PPE do install ?? With all of the CEL threads popping up its pretty obvious that install quality is critical to not make the experience headache free . Just my 2 cents
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Old 10-08-14, 12:59 PM   #10
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Quote:
Originally Posted by I8ABMR View Post
considering the CEL risk and the fact that you are so close to AZ, why not make a weekend trip and have PPE do install ?? With all of the CEL threads popping up its pretty obvious that install quality is critical to not make the experience headache free . Just my 2 cents
^^^+1

I agree, its definitely worth the trip to save the headache. Many have had a successful install without issue, but if you're one of the unlucky ones who has a bad install, you will have to bring it back in, try to diagnose the issue, potentially buy new 02 extenders if your installer didn't route them away from the headers properly, etc. PPE is a 4-5 hour drive from you (if I'm not mistaken), make a weekend out of it and have them do it. They have the resources and the experience to do it right the first time, with plenty of inventory of items in stock in the event that something isn't working right (a 02 conditioner, a wiring harness, a gasket, etc). I went without cats, its not very loud inside the cabin, outside its probably pretty loud. Good luck! Also, I posted a thread with a pic of a bracket that needs to be removed during install if you decide to have another shop do it.
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Old 10-23-14, 01:01 PM   #11
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Find a shop that has installed headers on a ISF before. I made the mistake on bringing my car to a shop that "has experience" in installing headers on other cars and it was a nightmare! PPE has excellent customer service if you/your shop runs into an issue with installing, so at least you will get a piece of mind that the issue that might come up will be taking care of. and of course get some extra pair o2 sensors, b/c those thing are PITA to take out and could possibly strip. Your gonna get butterfly's every time you push the start button!
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Old Today, 03:19 PM   #12
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I have a set of PPE headers that im going to have installed soon, what about the header bolts/ studs, can the OEM one's be reused? or will I need to purchase new bolts/studs as it don't look like there will be access to them again to check for them working loose after a few heat cycles.
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Old Today, 03:19 PM
 
 
 
 
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