I've got mine too. I would say it sounds great too (especially after 4500RPM). However, i don't notice much different if talking performance.
I-VTEC---- i'm just wondering if you would have the same problem? Mine one will keep 'ding ding ding..........' after turning off the engine. The annoying sound will last for around 3-4 mins and it's gone. I shouldn't say it's a problem coz nothing harm. But i just wonder if you have the same issue.
yeh my stock exhaust does it. although have read about the rm-01a having some knocking issues when fitted so i picked up some J's Racing rubber mounts for $20 delivered which are known to solve the problem so that could be worth it.
Finally..........I've got the GruppeM installed for my EP3. I'm absolutely happy with it. I would say RM01A + GruppeM is a perfect match for EP3 if you're not after a really loud one! my car basically as quiet as stock when below 4,000 RPM (which is good for normal driving i reckon).... but after 4000 RPM, it goes and sounds insane (especially when the VTEC kick in).......however there's a known problem for GruppeM (not sure if it's just a problem to EP3) ---- IT'S RATTLE. I am still thinking what's the best way to fix it.
Samsung001, I own a DC5S, and funny enough, I have both the RM01A (courier rang and said its being delivered today - wohoo!) and the GruppeM intake. Mine rattles as well (very little), but if you put some padding it should eliminate the problem.
Also, you're not the only one having this problem!
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