Good to know.
I may add one to my son's MSpeed 3. Gotta think about turbo back pressure thought. Amazing find though. I was miserable. This makes the XS exhaust a hell of a buy. |
I have a HKS single and I love it for now. I am sure that when I go to a catless midpipe, it will be too loud. In order to have the least possible restriction, what about using a moroso auger resonator? It is a standalone unit rather than an insert and it is 4" around with connections for 3" pipe.
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YoursTruely, how is the volume at WOT and the drone during highway cruising? I'm thinking of the HKS single outlet paired with stock cat and stock header.
Also, what about using a standard 4" exhaust tip silencer insert on the HKS? Could be a really cheap, easy, and reversible noise suppressor. |
Originally Posted by hufflepuff
(Post 4750831)
YoursTruely, how is the volume at WOT and the dronr during highway cruising? I'm thinking of the HKS single outlet paired with stock cat and stock header.
Also, what about using a standard 4" exhaust tip silencer insert on the HKS? Could be a really cheap, easy, and reversible noise suppressor. I am very happy with this exhaust. If it was any quieter, I would be disappointed. |
This my custom 3" free flow setup . Really like the noise level and tone . No drone at all either .
There are 2x450 mufflers . One is perforated tube type and the other has spiral tabs in the airflow. https://cimg0.ibsrv.net/gimg/www.rx8...41657d4d51.jpg |
So I have a racing beat mid pipe with no resonators (cheap as free!) and was thinking of putting a resonator on it but this seems much easier over all, question is if it was put in the rear section of the mid pipe do you think i would be in for trouble?
Still running the stock cat back if it means anything. |
Originally Posted by YoursTruly
(Post 4750839)
It makes a good bit of noise at WOT, but I really like it. On the highway, I can only hear it clearly when going up hills, but the tone doesn't resonate with the cabin so it is easy to ignore. The radio masks it at volume setting 22. If I am near large buildings, walls, or a bridge, WOT is loud enough to echo back. I autocross and it is below 96db at WOT from 50 feet.
I am very happy with this exhaust. If it was any quieter, I would be disappointed. http://www.sogaimport.com/images/P/MFT-4.jpg Thanks for your feedback on the volume! |
Originally Posted by hufflepuff
(Post 4750990)
Do you feel it would be feasible to use a standard 4" exhaust silencer insert on the HKS? Could be a really cheap, easy, and reversible noise suppressor.
Thanks for your feedback on the volume! |
I can hear my radio at level 10 cruising 70mph with windows up... you say you need your radio at level 22?!?! maybe this exhaust isn't for me!
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1 Attachment(s)
Normalexception.net - RX8 Exhaust Noise Control
http://legacygt.com/forums/showthrea...oui-64005.html Interested reads on the removable tip silencers. I'd plan on daily driving with it in, then remove for autocross and HPDE. Looks like the HKS hi power has one straight section just before the muffler and one somewhat mid-pipe (would potentially requiring cutting, inserting, and re-welding). |
Originally Posted by hufflepuff
(Post 4752157)
I can hear my radio at level 10 cruising 70mph with windows up... you say you need your radio at level 22?!?! maybe this exhaust isn't for me!
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I got the HKS hi-power installed. It does drone a bit from 2500-3000 rpms (~50-60mph), but 65mph+ it quiets down. overall volume with stock header and cat is very reasonable. I feel it's the perfect volume for track/autocross, and it's livable for everyday use (I am sound sensitive and I find it mostly pleasant). it has nice burbles on deceleration and loud pops during some 9,000 rpm shifts at the track. fitment was great, and it's light and looks nice. perfect for an enthusiast prioritizing performance and track use.
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Originally Posted by hufflepuff
(Post 4761444)
I got the HKS hi-power installed. It does drone a bit from 2500-3000 rpms (~50-60mph), but 65mph+ it quiets down. overall volume with stock header and cat is very reasonable. I feel it's the perfect volume for track/autocross, and it's livable for everyday use (I am sound sensitive and I find it mostly pleasant). it has nice burbles on deceleration and loud pops during some 9,000 rpm shifts at the track. fitment was great, and it's light and looks nice. perfect for an enthusiast prioritizing performance and track use.
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