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HKS 75mm single out exhaust video

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Old 09-29-2010, 06:06 AM
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Well i have the test pipe, but not a header. I too wonder how it will sound with what you're getting
Old 09-29-2010, 06:32 AM
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I'm guessin like an angry pride of lions
Old 09-30-2010, 08:01 AM
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Originally Posted by [AP2-2NV
,Sep 18 2010, 10:38 PM] s2k sounded the best to me

I owned a 2007 SI before my S so I have a right to say the SI sounded like poop.
Old 09-30-2010, 09:21 AM
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it did?

it's go power 3" exhaust, it has the most refined exhaust note of any of the exhausts for an si. You see, the thing about si exhausts is the good ones are loud. Except for full race ,and full race sounds like asshole in my opinion.

He had a couple of exhaust leaks in this video, one from the header slip joints which he fixed mostly. And a kind of bad one from the slip fit the exhaust guy did for him. He welded it up a few days ago and it sounds completely different.

It sounds completely different in person. Loud doesn't mean it sounds like shit. In my opinion, every single ****** one of the "quiet" exhausts for the si sound horrific, and most of them are way too small to gain good power (60mm).
Old 09-30-2010, 10:46 AM
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Originally Posted by w00t692,Sep 30 2010, 09:21 AM
...and most of them are way too small to gain good power (60mm).
I wonder when the s2k crowd will finally believe this.
Old 09-30-2010, 12:59 PM
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You should see the difference in fueling in even a skunk2 70mm exhaust vs my go power 3" exhaust dude.

When i just put that exhaust on, my tune was perfected for my skunk2. I did the pull, came back and looked at it

My afr's right on the other side of the vtec crossover from 4250 all the way to 5000 rpms went from a tuned 12.8 all the way to 15.3 tapering to 14.2 by 5000 rpms and then dropped to 12.8 after that.

It makes a HUGE difference in how much torque you make between 4000-4750 rpms.
Old 09-30-2010, 11:43 PM
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^So your saying the 3" leaned out the mixture compared to the 70mm? It should. Sorry, I'm a little tired.
Old 10-01-2010, 03:50 AM
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Yeah, it leaned it out a lot where the motor needed 50 degrees of vtc
Old 10-02-2010, 09:53 AM
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It's nice to see an exhaust vid properly done. No annoying music, examples without load, and under load.


The Hondas, especially the Civics, sound terrible except at WOT. WOT sound it pretty good, not F355 good, but pretty good. The Z has always sounded meh, getting uglier as you open up the exhaust more.
Old 10-04-2010, 09:49 AM
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Does anyone know for sure if the first muffler (up front) on this exhaust has baffles, or is it straight through? And restriction, or bottlenecks at all? I am about to purchase this exhaust, and I really want a true 3 inch straight through.


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