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Old 07-24-2014, 12:36 PM
Mick83 Mick83 is offline
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New exhaust

The exhaust manifolds on my 02 are cracked and after reading several threads here I've decided to have Thorley headers put on.

I originally was going to replace the whole exhaust except the cat, even though the stock muffler and tailpipe are still good, but I'm having second thoughts about that part of the job.

If I did have the whole system replaced,
I'm leaning towards a Flowmaster 817345 Force II or just a Dynomax superturbo muffler.


Any opinions pro or con on my selections would be most welcome.
Thank you
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Last edited by Mick83; 07-24-2014 at 04:31 PM. Reason: Dumbidity
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Old 07-24-2014, 07:48 PM
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Get the Force II stainless system it is better than the aluminized kit with better hardware.(aluminized hardware is not even useable IMO) I had the aluminized kit but now have the stainless kit on my truck. The aluminized likes to rust through at the muffler outlet.(mine did and my dads is doing the same)

I have the Thorleys on my truck and it sounds good with the Force II system. I had a Dynomax ultra flo (packed muffler) on it when I got the Throrleys put on. The Flowmaster system was on within a week, the Dynomax sounded horrible.(like a crappy V6) The headers WILL completely change the sound vs the stock logs and a lot of exhaust systems will sound like crap with them.

I see you are PA, me too.
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Old 07-25-2014, 03:41 PM
Mick83 Mick83 is offline
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Thanks for the reply dkf.
The Thorleys is a definite.
The rest (Flowmaster Force II) might wait until we get a better look at the OE stuff; a cursory examination indicates that it is all still good.
No reason the job can't be done in two stages, if appropriate, I don't suppose.
Wonder how the truck would sound with the headers and the rest stock?
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Old 07-25-2014, 04:08 PM
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With the stock exhaust and the Thorleys it should sound ok. Should be nice and quiet. The Thorleys are engineered to bolt up to the triangular flange which is forward of the stock cat converter. So you should not have to mod your existing system for it to fit.
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Old 07-25-2014, 04:20 PM
Mick83 Mick83 is offline
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Well, we can't have it too quiet, gotta cover up the wild turkey chirpin in the brakes
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Old 08-29-2014, 08:43 AM
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The headers are on, with the rest of the stock exhaust.
It's not loud but sounds good.
Will check mileage and report results; might take a while.
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Old 09-12-2014, 09:45 AM
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Quote:
Originally Posted by Mick83 View Post
The headers are on, with the rest of the stock exhaust.
It's not loud but sounds good.
Will check mileage and report results; might take a while.

REALLY curious as to what - if any - Sincere Performance Improvement (not "Sound") came of Your installation of "Headers"... : ?
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Old 09-12-2014, 09:53 AM
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Originally Posted by dkf View Post
With the stock exhaust and the Thorleys it should sound ok. Should be nice and quiet. The Thorleys are engineered to bolt up to the triangular flange which is forward of the stock cat converter. So you should not have to mod your existing system for it to fit.
I've got a '99 and I'm in the throes of replacing Mine "Header-Back" for not liking that U-Turn made - and subsequent HEAT EXCHANGED no-doubt - there at the "Y" just-below the Engine Oil Pan...I'm in a non-controlled region where "Cat-Delete" isnt' a problem (though I'm considering it's restoration as the right-thing-to-do ; ) and have-choice of either "Y" in/out of a 3" Flow-master Series 40 OR "Y" into this HUGE "Stock" S.S. Muffler salvaged from a "TUNDRA" that offers TWO OUTLETS in simulation of "Dual Exhaust" ~ That said:

The LAST THING I want it to sound-like is a V-6... : ?
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Old 09-12-2014, 09:53 AM
 
 
 
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