2010 Yukon Denali 6.2 exhaust

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DRKN57

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I just did my 14 Denali with a Supercharger and Kooks 1 7/8 headers, green cats,
Y pipe.. I figured I'd get it all hooked up and dialed in, then do some sort of
exhaust from the kooks back.. But really I knew I wouldn't gain much HP
from an aftermarket exhaust, but I figured I'd def want more sound.
Well, I am going to do Nothing... The stock exhaust is quit a bit louder
than it used to be with stock manifolds/Y/ Cats
And I still have the weird little resonator at the very rear. I'm pretty happy
with the sound right now. I really didn't think it would change, but it did !!
I bet it’s fast!


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Javie

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I have a Borla S-type cat back. Sounds good breathes good. No supercharger though. Still have kids.
Hey bud couldn't help chiming in on your conversation about exhaust. Are you currently running a borla with your headers?
 

avalonandl

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I just did my 14 Denali with a Supercharger and Kooks 1 7/8 headers, green cats,
Y pipe.. I figured I'd get it all hooked up and dialed in, then do some sort of
exhaust from the kooks back.. But really I knew I wouldn't gain much HP
from an aftermarket exhaust, but I figured I'd def want more sound.
Well, I am going to do Nothing... The stock exhaust is quit a bit louder
than it used to be with stock manifolds/Y/ Cats
And I still have the weird little resonator at the very rear. I'm pretty happy
with the sound right now. I really didn't think it would change, but it did !!

Which S/C did uou install? Magnuson or Whipple?
 

Foggy

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Looking up my post from this spring, I incorrectly stated that I have the
weird little resonator at the very rear... Well, I don't... I didn't take it off..
The exhaust is totally stock... but apparently my year didn't have that resonator..
I think just the 5.3 may have come with it though ?????
Either way, my exhaust has a pretty good rumble to it with being
stock after the Y (kooks headers w kooks cats and Y)
I really think the new Y design with aftermarket took out a lot of
restriction that the factory Y and cats has
 

ls1frc

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Looking up my post from this spring, I incorrectly stated that I have the
weird little resonator at the very rear... Well, I don't... I didn't take it off..
The exhaust is totally stock... but apparently my year didn't have that resonator..
I think just the 5.3 may have come with it though ?????
Either way, my exhaust has a pretty good rumble to it with being
stock after the Y (kooks headers w kooks cats and Y)
I really think the new Y design with aftermarket took out a lot of
restriction that the factory Y and cats has

Any dyno, track, or 0-60 benchmarks?
 

Foggy

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Any dyno, track, or 0-60 benchmarks?

Dyno #'s were horrible.. The tune needs a bit of work.. It did about 360Hp & 410 TQ
on a mustang dyno
it's running pretty rich.. I purchased hp tuners and the the tuner school stuff.Just '
haven't had time to do it yet. It's my tow & trip vehicle so I wasn't interested
in peak HP numbers at.. but still disappointed
I'm adding a small squirt of snow meth injection and then doing a complete re-tune
hopefully in the next few weeks. I'm hoping that helps out my MPG
 

ls1frc

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Dyno #'s were horrible.. The tune needs a bit of work.. It did about 360Hp & 410 TQ
on a mustang dyno
it's running pretty rich.. I purchased hp tuners and the the tuner school stuff.Just '
haven't had time to do it yet. It's my tow & trip vehicle so I wasn't interested
in peak HP numbers at.. but still disappointed
I'm adding a small squirt of snow meth injection and then doing a complete re-tune
hopefully in the next few weeks. I'm hoping that helps out my MPG

Where are you located? What boost are you running? Was the tune just the stock Edelbrock tune?

One reason I elected to stay N/A was the MPG. Even N/A and ***** footing it, it's thirsty!
 

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