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My new exhaust - Pics before and after

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Old 11-23-2013, 09:49 AM
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How many people have you passed and pissed off with that waste gate dump? Lol

New system looks top notch!
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Old 11-23-2013, 09:36 PM
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Only time anyone hears it is when I'm leaning on it and don't care about noise. It never opens the wg under normal driving.

At 65 this new setup is def more quiet. My wife even asked why my truck was more quiet. At 3k-3500 rpm going up a steep hill in 2nd it seemed a bit louder than before but again my truck was working and under some decent load and about 5 psi.
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Old 11-23-2013, 09:48 PM
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Choda, I THINK that 12579 muffler was the 3" one I ran several years ago. It used to be widely popular on this forum but I didn't like it so much because it was so quiet on my stockish 6.0 setup. I could literally hear the clutch fan over the exhaust at WOT.

Well, I'm currently running a massive 4" magnaflow diesel muffler (full 4" exhaust from turbo to the tailpipe) and I'm seriously considering switching to the 3" muffler, but adding a cutout for power under boost. Any sound clips of your new exhaust with normal driving and idling?
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Old 11-23-2013, 10:03 PM
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I'll get vids tomorrow for you guys
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Old 11-24-2013, 07:45 AM
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Originally Posted by slow2008
Real nice. How are his prices? I need to redo mine from the LT's back in the spring.
Prices are great and he knows what he's doing. Most of his fab work is on custom one off turbo manifolds and kits so truck exhaust is cake for him.
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Old 11-24-2013, 12:12 PM
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Video or...

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Old 11-24-2013, 07:01 PM
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To all my freaks out there... Big papa pump is your hook up. Holla if you hear me

Cold start
70mm Z71 Turbo 5.3 Silverado cold start - YouTube

Showing off BOV
70mm Z71 Turbo 5.3 Silverado blow off valve - YouTube

Leaving a light reg but letting you hear the turbo
70mm Z71 Turbo 5.3 Silverado driving - YouTube

A quick WOT pull. Broke the tires lose a bit
70mm Z71 Turbo 5.3 Silverado WOT - YouTube

All taken w my I phone
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Old 11-24-2013, 07:59 PM
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That last video was the cutout open???
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Old 11-24-2013, 09:02 PM
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Originally Posted by Byrdman11
That last video was the cutout open???
No. None had it open. That loudness is the open dump. It starts to open a couple times in my bov vid. All the videos were taken w my windows closed.
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Old 11-24-2013, 09:09 PM
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Sounds good.
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