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Discussion Starter · #1 ·
I ordered this on Jan 30, and it finally got here and I'm not disappointed. Quality looks amazing. Hoping to install this weekend if the weather cooperates. I also saw in the FB group that someone just received a pre-production prototype of the MagnaFlow system today. It also looks nice, but is supplied in several pieces instead of a larger pre-welded assembly. Bottom pic is a comparison of the stock tip to the HKS.

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Discussion Starter · #4 ·
@Doc Brown I'm happy to report that installation was very easy with no 'surprises'. I'm really happy with the fit & finish, and the oversize oval tips match the rear panel exhaust 'eyebrows' perfectly. They had to, being slightly larger than the OEM tips, so fit was important.

I only had an opportunity to drive up to the mailbox in my neighborhood, so I didn't get over 20mph. Start-up, idle, and slow acceleration were only slightly louder, but has a noticeable mild growl that wasn't there before. I will follow up with more detail after a couple trips this weekend.


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Discussion Starter · #8 ·
I saw the mf (lol...) on the 2019/2020/2021 Toyota RAV4 group. It looked really nice, but wasn't as put-together as the HKS. You have to assemble & clamp each outlet pipe to the muffler, rather than being a one-piece replacement. Aside from that, the quality looked to be on-par with the HKS system.

Apologies on access to the sound clip. I thought sharing that folder on my Google Drive would basically make it public.
I attached a .txt file here. Rename it to .zip and it should work.
 

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Trying the shared link again... this one shouldn't require permission. One sound clip is just start-up & idle from the outside. The other clip is interior sound on moderate-heavy acceleration.

OK, I must be hearing things since my stock gas only Limited sounds like both of those audio clips already.
 

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That sound clip sounds really nice. I know I have a Prime, but one can wonder. I know the Hybrids in Japan have a sport exhaust from TRD.
To avoid cutting the stock catalytic converter, I had to put a straight pipe on mine. I just got the HKS for the gas model and bolted it to the straight pipe. I put a o2 sensor spacer (basically just an extender that threads in where the o2 nut is on my straight pipe. Without the spacer I burnt the o2 sensor out in a week and a half. It doesn't sound great until I added a resonator to the straight pipe to cut out some of that raspiness. I've taken it on and off half a dozen times now cuz I really like the sound when I'm flooring it which is pretty much all the time. I noticed pretty much no performance gain until I got going about 60mph. Fuel economy is worse because the oxygen sensor is definitely not working properly but no engine codes since adding the spacer. It's all worth it though to see the look on the kids face after you flip to Sport+HV mode and fly past his civic type-r
 
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