exhaust

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07-16-2006, 11:29 PM

Firststang05

Thread Starter

Join Date: Apr 2006

Posts: 10

exhaust

If I put exhaust on my 05 GT will I have to start running 91 octane instead of the 87. Im trying to stay away from that but I figured I would at least ask.

07-16-2006, 11:47 PM

drbobvs

5th Gear Member

Join Date: Apr 2005

Location: Babylon, NY

Posts: 3,031

RE: exhaust

07-16-2006, 11:49 PM

viking396

5th Gear Member

Join Date: Nov 2005

Location:

Posts: 3,235

RE: exhaust

Quote:

ORIGINAL: Firststang05

If I put exhaust on my 05 GT will I have to start running 91 octane instead of the 87. Im trying to stay away from that but I figured I would at least ask.

As long as you run an 87 octane tune you're fine.

07-17-2006, 03:50 AM

AmericanMuscle4.6GT

5th Gear Member

Join Date: Jan 2006

Location:

Posts: 4,333

RE: exhaust

Quote:

ORIGINAL: Firststang05

If I put exhaust on my 05 GT will I have to start running 91 octane instead of the 87. Im trying to stay away from that but I figured I would at least ask.

where

did

you

hear

that?

an axleback is just replacing basically the mufflers, tips, and 4 inches of pipe. its only for sound; you won't need a retune, or change your octane fuel used.

07-17-2006, 04:38 AM

Herknav

3rd Gear Member

Join Date: Jun 2005

Location: mind

Posts: 751

RE: exhaust

Quote:

ORIGINAL: Firststang05

If I put exhaust on my 05 GT will I have to start running 91 octane instead of the 87. Im trying to stay away from that but I figured I would at least ask.

You need to run race gas with a new exhaust system!