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#1
11-27-2013, 09:18 PM
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Ordered a few more parts, finally pulled the trigger on mufflers...
http://m.summitracing.com/parts/pye-mvr30 The rest of the order was fluids, Brad Penn break in oil, gl-4 gear lube for the Muncie.
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1972 SS 454 Chevelle LS5/M21/12 bolt 3.73 posi 1969 Malibu COPO L72/M20/12 bolt 3.31 posi 1968 Malibu LQ9/4L80E/12 bolt 3.73 posi 
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#3
11-28-2013, 07:33 AM
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Quote:
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1972 SS 454 Chevelle LS5/M21/12 bolt 3.73 posi 1969 Malibu COPO L72/M20/12 bolt 3.31 posi 1968 Malibu LQ9/4L80E/12 bolt 3.73 posi
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#4
11-28-2013, 09:30 AM
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http://www.summitracing.com/parts/pye-sga30r/overview/
Here is my exhaust when I get to a pc ill post the video of what it sounds like
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2005 dodge magnum daily driver 1988 mazda rx7 LS6 swap 1969 SS work in progress
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#5
11-28-2013, 09:24 PM
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here is the video of my exhaust
http://youtu.be/PpEcaqvUcoU?t=46s
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2005 dodge magnum daily driver 1988 mazda rx7 LS6 swap 1969 SS work in progress
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#6
11-29-2013, 08:12 AM
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Was hard to hear on my phone, but sounds like it opens up nice when you rev it. What case length mufflers are on your car?
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1972 SS 454 Chevelle LS5/M21/12 bolt 3.73 posi 1969 Malibu COPO L72/M20/12 bolt 3.31 posi 1968 Malibu LQ9/4L80E/12 bolt 3.73 posi
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#7
11-29-2013, 11:24 AM
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yeah i am not sure what the length of the mufflers are. I just know they are nice and loud when you get at about 5k rpms
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2005 dodge magnum daily driver 1988 mazda rx7 LS6 swap 1969 SS work in progress
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#8
11-29-2013, 11:50 AM
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I bought the 18" case, hoping my car is quiet at cruise and idle. The factory mufflers are approximately 19" case IIRC. Trying to keep it tame without choking it.
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1972 SS 454 Chevelle LS5/M21/12 bolt 3.73 posi 1969 Malibu COPO L72/M20/12 bolt 3.31 posi 1968 Malibu LQ9/4L80E/12 bolt 3.73 posi
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#9
11-30-2013, 08:04 PM
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Description: Sometimes, you just gotta have the best of everything. When it comes to flow, you can't get much better than Pypes Race Pro mufflers. These mufflers feature a 'straight-through' exhaust flow path. Their throaty sound is surprisingly tame, considering the absence of any impedance when you look down their barrel. At idle and low-rpm cruising, you will not draw much attention, but upon acceleration, bystanders look out! The Race Pros' aggressive sound is the result of applying a layer of stainless mesh around a unique internal perforated tube, accompanied by a healthy stuffing of basalt insulation before the unit is sealed. Pypes Race Pro mufflers are highly recommended for the track, where every 1/10th counts. Of course, there are plenty of these mufflers hidden under some fine street machines, too. Think of these mufflers as large inhalers for your car.
Just curious, for the price, just under $70 a piece. Do they still have the "drone" sound ? I am looking for something that sounds pretty tame for the round town driving, but when I step on it I want to know the power is there. But then again when I am cruising at 70mph, I don't want them to be really loud. I know I am asking for a lot, but I have nothing but time, 4 or 5 months, to get some feedback, and make a decision.
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Get in, sit down, shut up, hold on...cause Ms Grumpy is driving ! For the audio geek try: www.audiokarma.org
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#10
11-30-2013, 09:49 PM
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Every perforated core muffler I have ever had was great. (Magnaflow, Hooker Max Flow, etc.) Very mild at cruise and idle, opens up nice when you apply pressure to the loud pedal.
I expect these to be the same. I originally wanted ultra flows, but they stopped making the 18" case version in the non-welded. From what I have gotten in real world feedback, these are the next best thing.
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1972 SS 454 Chevelle LS5/M21/12 bolt 3.73 posi 1969 Malibu COPO L72/M20/12 bolt 3.31 posi 1968 Malibu LQ9/4L80E/12 bolt 3.73 posi
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