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      01-05-2013, 09:04 AM   #35
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Drives: 2016 BMW i8
Join Date: Dec 2006
Location: Monarch Beach

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Quote:
Originally Posted by Jbook View Post
Akra slip-on is on the car now and sounds great paired with the AA HFC x-pipe!! Couldn't be happier with the sound. If I had to describe it I would say: A little bassy down low (not even close to how bassy the AA was), REALLY smooth feeling (more smooth on acceleration than either the Dinan or AA), quiet while cruising (about the same as Dinan, maybe a little louder), and aggressive when stomped on (right in between AA and Dinan, but the sound is AMAZING).

Will for sure post videos up after some spirited driving this weekend
Awesome! We have a similar set up. Instead of the HFC X, I have the MRF Engineering X pipe but also the Akra slip + ESS 625. The blower will make your car sound a little different at idle from the engine bay (kinda like a faint jet engine sound). Normal driving probably wont sound any different than now but when you step on it with the blower, it changes the dynamics and while it won't be any louder, it rev's soooo fast that it will just seem very different.

I'm looking forward to your impressions once the blower is installed. What's the timing estimate on that?
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