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Old 05-28-2015, 04:58 PM   #1 (permalink)
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Default Exhaust Mod on my I2

So I decided to pull the trigger and bought the Tanabe Medalion Touring axle back exhaust. Fits great, and looks fine. However, it's not as loud as I thought it'll be. At cold start, I could hear the deep rumble for a couple seconds, but other than that; it's quiet unless it hits ~4-5000rpm. Any ideas on how to make it louder at lower RPM? I'm thinking a CAI?

Also noticed the MPG drop. Dropped about ~4-6mpg. Will upload sound clip soon.
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Old 05-29-2015, 11:25 AM   #2 (permalink)
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Originally Posted by HD_Insight View Post
So I decided to pull the trigger and bought the Tanabe Medalion Touring axle back exhaust. Fits great, and looks fine. However, it's not as loud as I thought it'll be. At cold start, I could hear the deep rumble for a couple seconds, but other than that; it's quiet unless it hits ~4-5000rpm. Any ideas on how to make it louder at lower RPM? I'm thinking a CAI?

Also noticed the MPG drop. Dropped about ~4-6mpg. Will upload sound clip soon.
CAI wont made you car sound any better on cold start. I'm not surprise your MPG drop, since you are losing back pressure from a exhaust system.
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Old 05-29-2015, 04:29 PM   #3 (permalink)
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With the 3 cats the exhaust is rather muffled. Even if you remove the muffler it isnt that loud as a conventional vehicle.



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Old 05-29-2015, 07:30 PM   #4 (permalink)
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Your exhaust is probably 2 cats, 1 resonator, and 1 muffler. No reason for 3 cats.
THE REASONATOR TAKE AWAY A LOT OF NOISE.

WILLIE
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Old 05-31-2015, 12:47 PM   #5 (permalink)
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Your exhaust is probably 2 cats, 1 resonator, and 1 muffler. No reason for 3 cats.
THE REASONATOR TAKE AWAY A LOT OF NOISE.

WILLIE
So if I wanted to make it louder, shall I try to do a Resonator Delete? I did some research, and people were saying if I took the Resonator off, there will be alot of interior noise (drone).
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Old 05-31-2015, 12:58 PM   #6 (permalink)
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Not sure on the G2 noises.
I would assume YES it will be louder.

HTH
Willie
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Old 05-31-2015, 06:34 PM   #7 (permalink)
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Check your PMs.

https://www.youtube.com/watch?v=TOCWiWZmPts

Hybrids at least the Insights are quieter than non hybrid vehicles.



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Old 06-02-2015, 01:46 PM   #8 (permalink)
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Quote:
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Check your PMs.

https://www.youtube.com/watch?v=TOCWiWZmPts

Hybrids at least the Insights are quieter than non hybrid vehicles.
any ideas on how to straight pipe may affect MPG? Performance?
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Old 06-02-2015, 01:57 PM   #9 (permalink)
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It has been a few years since I have driven a Gen 2, but if the engine RPM behavior is anything like my other CVTs (Camry Hybrid, Lexus RX400h), then accentuating the exhaust note is going to be a horrible idea.
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Old 06-02-2015, 02:58 PM   #10 (permalink)
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It has been a few years since I have driven a Gen 2, but if the engine RPM behavior is anything like my other CVTs (Camry Hybrid, Lexus RX400h), then accentuating the exhaust note is going to be a horrible idea.
In Sport mode the 7 fixed gear ratios should take care of that. It is a flappy paddle music box.
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