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Old 08-03-2010, 08:30 AM   #1
ChristineMarie's Avatar
Newmar Owners Club
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Location: Fairview, PA
Posts: 53
Exhaust Mod

Has anyone heard of the "Xlerator" or AP Performance Products? We are looking at Gibson to open up the exhaust on our 01 Sierra DRW, 8.1L, and one of the shops we checked at suggested this. Searched it in the forum but didn't get any hits... thanks in advance for any input! Apologies if it's been asked and answered.

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Old 08-03-2010, 09:53 PM   #2
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Exhaust mods are probably one of the least cost effective modifications going. A motor is nothing more than a giant air pump. Unless you increase air in, you will see no benefits from more air out.

Don and Lorri
2007 Dodge 3500 dually
Resident Dummy.
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Old 08-03-2010, 10:18 PM   #3
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Tiffin Owners Club
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Location: Southern California
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You can't get more air in unless you get rid of the stock restricting exahust system. I've had headers on more than at least four engines in the past years with great results. Try looking at the Banks exahust systems. They fit great and will work wonders.

Banks Power | Diesel Performance and Gas Performance Products

2015 Tiffin Bus 37AP
2016 Ford Explorer
"A Job Begun is Half Done"
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Old 08-04-2010, 09:12 AM   #4
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Newmar Owners Club
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Thanks for the input. We do have the intake part of it covered. Sammie, when I had my Class A, I Banks'ed it, and was very pleased with the results. Unfortunately, they do not have the equipment out there for the 8.1. I wouldn't hesitate to go with them again if they did!
Chris & George
12 Keystone Raptor/08 Dodge 3500
Fairview, PA/Anywhere else without snow!
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