Help Needed - Headers & Mufflers (or lack of..) - Impala Tech
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post #1 of 15 (permalink) Old 10-24-2011, 03:50 PM Thread Starter
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Help Needed - Headers & Mufflers (or lack of..)

Hello All,

I need some help choosing an Exhaust Header and loud muffler. I live in a country which doesn't have any controls regarding how loud your exhaust is and the emissions that the car has. I'm giving this info because I want my 63 impala with a 283 V8 to be as loud as hell but still be able to drive the car at 50 miles per hour without losing my hearing.

This is what I saw until now:

Hedman Hedders 68230

http://www.summitracing.com/parts/HE...s/?prefilter=0

And the flowmaster 40 series mufflers.

what do you think??? any other good combinations anyone else tried??

thanks

Pantera
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post #2 of 15 (permalink) Old 10-24-2011, 05:24 PM
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I would ignore the mufflers and just run straight pipes out to the back bumper with the pipes getting progressively bigger every five feet or so to keep the velocity up as the gasses cool. You could end it with a megaphone tip.

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post #3 of 15 (permalink) Old 10-24-2011, 05:42 PM
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Originally Posted by Big Dave View Post
I would ignore the mufflers and just run straight pipes out to the back bumper with the pipes getting progressively bigger every five feet or so to keep the velocity up as the gasses cool. You could end it with a megaphone tip.

Big Dave

That would sound pretty bitchin, but those Flowmaster 40's are pretty loud too - you won't go wrong either way.

PS. I think Dave means to bring the exhaust pipe *smaller* (from front to back) to keep the velocity up.

Your collectors at the header are probably 3" - and then you would taper that down to 2.25 or 2.5" at the rear bumper.


Those Hedman headers look ok - but be advised that the paint on them will flake off at the engine side after just a few days. That paint can't stand up to the heat.

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post #4 of 15 (permalink) Old 10-25-2011, 10:00 AM Thread Starter
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thanks for the tips, I am looking for another set of headers that fit, I don't want to deal with the paint issue. Any recomendations?

I am little bit concerned that if I run straight pipes the I wont get the deep sound I heard on some videos of the 40 series. will this happen???

thanks
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post #5 of 15 (permalink) Old 10-25-2011, 10:25 AM
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Deep bass sound comes from cubic inches. This is why a Jap motor bike whines like a mosquitoe while a bigger Harley or Bule sounds like rolling thunder. It is also why I turn heads pulling into a car show with a 582 rumbling quietly, they can hear it comming down the road.

And yes Alan is correct I got that BASSacwards.

Big Dave
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post #6 of 15 (permalink) Old 10-25-2011, 11:20 AM
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Quote:
Originally Posted by Pantera View Post
thanks for the tips, I am looking for another set of headers that fit, I don't want to deal with the paint issue. Any recomendations?

I am little bit concerned that if I run straight pipes the I wont get the deep sound I heard on some videos of the 40 series. will this happen???

thanks
You're correct, running straight pipes won't give you the rumble that the flowmasters will.
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post #7 of 15 (permalink) Old 10-25-2011, 11:47 AM
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FlowMasters muffle only the high frequency souinds (the tinny parts of the spectrum) and allow the lower frequencies to pass right through. I have FlowMaster fifties on my 582 and they sound great.

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post #8 of 15 (permalink) Old 10-25-2011, 12:48 PM Thread Starter
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Great I will go ahead and place the 40 series.

Any ideas on which headers to buy???

V8 283 engine
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post #9 of 15 (permalink) Old 10-25-2011, 09:14 PM
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<on soapbox>

Well I sure as hell can't recommend the Pacesetters!

<dismount soapbox>

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post #10 of 15 (permalink) Old 10-26-2011, 09:07 AM
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They also make those 'Thumper' cams that make a lot of 'cool sounding' noise.



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post #11 of 15 (permalink) Old 10-26-2011, 12:10 PM
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They also make those 'Thumper' cams that make a lot of 'cool sounding' noise.
Yeah, and that's all they do.
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post #12 of 15 (permalink) Old 10-27-2011, 04:15 PM Thread Starter
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still stuck on the headers, coudn't find anything that worked. Any suggestions???
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post #13 of 15 (permalink) Old 10-28-2011, 01:49 AM
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Hooker might make a set but I've not seen many at all made for an Impala. Not at the affordable level anyway.

Maybe someone else has....

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post #14 of 15 (permalink) Old 10-28-2011, 01:07 PM
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call sanderson header think is the name.
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post #15 of 15 (permalink) Old 11-03-2011, 06:06 PM
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mine are headman... fit great

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