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Performance, Brainstorming & Tuning Talk about modifications, or anything else associated with performance enhancements. Have a new idea for performance/reliability? Post it here. No idea is stupid! (please use Detailing and Appearance for cosmetic ideas)

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Old 08-05-2007, 05:11 PM   #21
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scratch that.

i could honestly care less about the interior sound of the exhaust. as a matter of fact, i hate talking to my passengers as for music... my volume is either all the way down (so i can hear my engine) or all the way up.

so what about straight pipes??

either that or go with some high high quality mufflers.. HKS or magnaflow??

http://www.hksusa.com/products/?id=2143 HKS Universal mufflers (are they too big??)

http://www.magnaflow.com/02product/*...ne=main&id=350 magnaflow universal
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Old 08-05-2007, 10:34 PM   #22
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whats the diff between oval and round mufflers as well??
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Old 08-06-2007, 12:56 AM   #23
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i don't know how mass inspection laws compare to NH, but in NH you won't get a sticker with the first muffler, or no muffler at all, you have to have a chambered mufflar
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Old 08-06-2007, 01:39 AM   #24
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Quote:
Originally Posted by b18jason
you have to have a chambered mufflar
I don't live mass. So I can't speak for that state. But I've had no problems with my exhaust setup. Both my resonator and muffler are straight through (much like the Dynomax pictured on the other page) they are very quiet, mellow at idle but @ WOT is a beautiful thing .

Ed
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Old 08-06-2007, 02:02 AM   #25
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if you have that much cash on hand go get yourself a custom header and exhaust made from a shop like
http://www.turbohoses.com/Customexhaust.htm
and you will have an exhaust that will sound like no other one on here
and it will give you more power. if you use what every one else uses
you will sound like every one else and how much fun is that ! :(
i use Hooker mufflers so i don't sound like the cars with the magnaflows
or Flowmaster or straight pipes.

ROD
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Old 08-06-2007, 10:26 AM   #26
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In MASS if here here your car being to loud and look under it and see no mufflers they wont pass it or if its too lound and they see mufflers some people wont pass it. and if the next time you go to get a sticker and you need emissions you wont pass cause tha exhaut output would be to high (if theres no mufflers) Mass has really buckled down on there sticker laws so be carefull..trust i use to do sitckers at my old job.
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Old 08-07-2007, 01:06 AM   #27
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i see.

what would give me the best performance output?
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Old 09-11-2007, 02:58 PM   #28
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Default Say NO to straight-pipes

Don't get straight pipes. I had it done for about a year in regret to this day. Yes, is was extremely loud. But thats where the benefits stopped. As a matter of fact, it wasn't even a 'good loud' but more of a WTF is that horrible noise' kind of loud. If you have a V8 engine, you could probably get away with it, but not in our bonnevilles.

Straight pipes will cause a lot of backfire (like little gunshot/firecracker noises) especially when you release your throttle after acceleration. The faster, more aggressive acceleration, the louder more crappy sounding backfire. I also had backpressure issues, and the whole system started running too hot. CAT started smelling like rotting eggs (I never put a high-flow CAT on there like I should have).

I've put on Flowmaster 40 Series Delta Flows on my car a few years ago because I couldn't stand the straightpipes anymore. The 40 Series Delta Flows give a nice growly tone, and has a deep sounding idle (you can feel it in your chest when you stand behind the car, but its not too loud). It'* nothing like a V8, but its a nice sound still. I'm always trying to find a deeper rumble for my car, lol. Look for my thread asking about another muffler for the '00+ Bonnies.
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Old 09-11-2007, 03:01 PM   #29
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Quote:
Originally Posted by ferullo0
i see.

what would give me the best performance output?
Figure out how you compare to the top-25 Bonnevilles on the list, and copy what they did.

Or figure out where you want to be (honestly, not dreaming), and do what they did. If you're truly interested in the best PERFORMANCE, that'* the method you should use to determine your setup.
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Old 09-11-2007, 03:53 PM   #30
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Quote:
Originally Posted by TJ'sblackbonne
Drone? You have to ask yourself.... Do i want to be able to have a conversation inside my car while moving?
dynamat helps some lol
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