Installed longtubes yesterday

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Feb 23, 2012 | 08:17 PM

#16

avfrog

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Joined: Oct 2009

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From: Missouri

Delta Force Tuning!

Feb 23, 2012 | 08:29 PM

#17

shadowrider

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Joined: Jun 2011

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Quote:

Originally Posted by avfrog

Delta Force Tuning!

I have that somewhere in the basement. I used to use it to tune mustangs. I stopped using it when I was unable to tune my car because it couldn't handle it.

Feb 23, 2012 | 09:36 PM

#18

avfrog

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From: Missouri

^ Interesting. Worked on my truck! No CEL after removing rear o2's from the equation.

Feb 23, 2012 | 10:15 PM

#19

jakek88

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Joined: May 2008

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From: ada, mn

Quote:

Originally Posted by shadowrider

I decided to slap on some longtubes yesterday. The truck has a very nice exhaust note now and much louder while under load. I'm gonna call PHP today to get a custom tune to turn off the rear O2's cause the MIL is annoying(no cats). The headers are OBX and fitment was amazing.

Install took about 5 hours. It was very easy other then a very rounded out bolts.

so you have no cats, do you have a muffler on your exhaust system? and how does your exhaust sound now compared to before with stock manifolds?

Feb 23, 2012 | 10:36 PM

#20

shadowrider

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Yes I have a MBRP cat back. The Y pipe has 2 resonators in it in place of the cats. The sound is very deep and loud under load and very deep and quite at idle and cruise.