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well... here is another thought, this thing seems to jump a a few rpm's between shifts during normal driving... could it be doing this at WOT, and hitting the rev limmiter?
Going to a 3 in exhaust shouldnt have made that big of a difference where a special tune of any sort is needed. Hell I have the same set up and mines not popping or missing.
As far as I know, 08's with the 4.7 all come with 3" stock.
Well, I stretch my shift points out even deeper into the tach, but my rev limiter is higher than stock also... I think it has something to do with backpressure (or the lack of it.)
A lot of the straight piped trucks around here sound like that too...
ya, its no where near as loud in the video... so its something i have to live with? even tuners and trans adjustment wont affect it?
Kinda sounds like mine, only mine isnt as long of a sound, mine is short and quick...
Originally Posted by Racinartist
As far as I know, 08's with the 4.7 all come with 3" stock.
Interesting, I dont know too much about the 08s or 09s, but cool. Thanks for the info.
Originally Posted by ericemery
Well, I stretch my shift points out even deeper into the tach, but my rev limiter is higher than stock also... I think it has something to do with backpressure (or the lack of it.)
A lot of the straight piped trucks around here sound like that too...
I agree with ya Eric, sounds logical... but if what Racing says is true , why would there be a change?
we measured the stock pipe, it is 2 3/4. so just a little bigger pipe, and removing that suit case of a muffler might have freed it up more than i thought
08-06-2009, 09:49 PM
