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Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain. |
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09-14-2016, 06:54 PM | #1 |
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OEM Exhaust Mod-Cutting the Stock muffler open
So, @manic and I've seen the "oem exhaust mod" mentioned here a few times, and its relatively popular among the BMW crowd-so why not try it ourselves?
The MAIN purpose of this is to try and free up some sound-any power we gain would just be icing on the cake (and once we have a final version of this mod done, we can do a before/after on the dyno to see if we get any free hp!). Here's a quick teaser of us cutting it open! [ame="https://www.youtube.com/watch?v=2AX7IVXaQbA"]FRS Muffler Cut Open-Teaser for OEM Muffler Mod - YouTube[/ame] Stay tuned for progress! |
09-14-2016, 06:54 PM | #2 |
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reserved for updates
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09-14-2016, 06:56 PM | #3 |
Is not fast.
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*Hype intensifies*
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09-14-2016, 07:01 PM | #4 |
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hmmm... Interesting application for a motorcycle helmet. I usually just throw away my outdated, but not crash-tested, helmets. Maybe I'll just keep them from now on for this kind of use.
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09-15-2016, 01:02 AM | #5 |
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haha, right? Our tech was like, "uh you know I have safety glasses or the welding mask you can use..."
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09-15-2016, 11:36 AM | #6 |
Is not fast.
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Like the noble native americans, we use every part of the modbargains.
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09-15-2016, 12:36 PM | #7 |
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There's a similar thread I remember from back in the day.
http://www.ft86club.com/forums/showthread.php?t=41620 Curious to see your final mod
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09-15-2016, 12:53 PM | #8 | |
Is not fast.
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Quote:
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09-15-2016, 01:05 PM | #9 |
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But it's a hard hat, hearing protection, eye protection, and welding shield (if you use the tinted visor) all in one. And instead of looking goofy in all that safety equipment, you look cool.
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09-15-2016, 05:01 PM | #10 |
Feeling like thinking....
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If your bike helmet is tinted dark enough to be safe when welding, it sure as heck is NOT safe for riding.
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09-15-2016, 05:53 PM | #11 |
Is not fast.
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There was definitely plenty of enthusiasm. When we realized that we couldn't reach the pipes we wanted to cut with the saws-all, we got a little carried away and opened it like a Christmas present. Should still be easy enough to weld shut.
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09-16-2016, 03:13 PM | #12 | |
Is not fast.
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Quote:
The primary goal is to keep the exhaust gases in that central chamber while minimizing the amount of additional welding. That way, at least we reduce the amount of baffling the gases have to go through.
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09-16-2016, 04:29 PM | #13 |
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Is this an i'm just bored and i have a grinder+motorcycle helmet let me hack up my oem muffler thread ....if so subbed.
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09-19-2016, 01:10 PM | #14 |
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Yeah, but shields can just be swapped. But, I don't know if I would use a helmet for riding that is probably pitted and burned from welding and grinding sparks and scraped up from being thrown around in a shop. That's why I would use an old outdated helmet instead of a $600 usable one...
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Tags |
exhaust mod, modified muffler, muffler, oem exhaust mod |
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