Discovery on STi JDM axleback and perhaps others

[gpvecchi]

My sixty years old neighbor yesterday asked if I made something to my car. I told I just have put the STi axleback. He said he sounds amazing!

[jflogerzi]

Originally Posted by RayRay88

If you mean MXP (Mackin extreme products) as mentioned above, then I ruled out the CSG exhaust simply for the fact that it is 409 Stainless steel and the SP is 304 SS. I don't know how heavily you guys salt your roads in the winter over in Halifax, but here in Ontario it's really bad. Being my daily driver it was a no brainer to pick the 304SS MXP SP.



I think CSG may claim it is quieter (I'll let them speak for themselves), but I couldn't imagine my exhaust any quieter than it already is. Perhaps the real test will be after I get a header and front pipe. As of now I'm stock apart from the exhaust.

Good catch totally forgot about the 409 steel... But the mxp SP is really great as other mentioned. It is a catback so bit more involved for installation

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[jflogerzi]

Originally Posted by Calum

That's MAPerformance?

Any chance you've compared that to the CSG touring, also made by MAPerformance?

MXP SP is made by its own company... And the CSG touring is made by MXP

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[Calum]

Originally Posted by RayRay88

If you mean MXP (Mackin extreme products) as mentioned above, then I ruled out the CSG exhaust simply for the fact that it is 409 Stainless steel and the SP is 304 SS. I don't know how heavily you guys salt your roads in the winter over in Halifax, but here in Ontario it's really bad. Being my daily driver it was a no brainer to pick the 304SS MXP SP.



I think CSG may claim it is quieter (I'll let them speak for themselves), but I couldn't imagine my exhaust any quieter than it already is. Perhaps the real test will be after I get a header and front pipe. As of now I'm stock apart from the exhaust.

I store mine for the winter. There's nothing that can stop rust with this much salt on the roads.

[Cephas]

Yeah, the salt is something else here in Ohio, too. Half the time in the winter we have more salt accumulation, than snow or ice. I'll have to keep the steel in my stack of considerations, I guess. Any idea what Fujitsubo uses?

Edit: It's 304, found it.

[kylelock]

I can confirm fellas. These jdm exhaust hangers do indeed help with drone.

My current exhaust setup is the Tomei EL Header, JDL Ultra Quiet Catted FP, and the RS 1.0 TRD Quad Tip Exhaust.

I have been on the journey to kill drone ever since. Out of the box, the TRD quad tip exhaust is quite a bit droney. Installing my EL only amplified the drone and made it even more difficult to live with.

My first attempt to solve drone was the Noico sound deadening sheets from Amazon. I applied it all around the area of the spare tire and even applied a bit under the passenger seats like the Youtube videos recommend. The results were honestly minimal for the amount of work I put into rolling out all the sheets. Not to mention, that the sheets were real dense and probably added a few pounds. The drone was slightly muted. Kind of like if you were to play a loud speaker and throw a down feather blanket over it. It took away a little bit of the sharpness of the drone but it was still definitely there. If you are really looking to do everything you can to get rid of the droney noise and are willing to spend the time + $60, then go for it. I will warn you tho, do not set your expectations too high because this mod only kills like 10-15% of the drone.

Next, I installed the JDL Ultra Quiet Front Pipe hoping that the "big ol resonator" may help a bit. To be quite honest, it did. The drone from 3500-4000 was almost completely gone and the drone on the lower end was eliminated by around 35-40%. I was extremely satisfied and it even cleaned up the tone to sound less tinny. However, as we all know, JDL is amazing quality and with quality comes price. If you are from CA like me, this is also another mod that is not CARB legal, even with the cat and all.

Last were these JDM STi Exhaust hangers that OP mentioned. I bought them off blackhawkjp and here is the link https://www.blackhawkjapan.com/produ...aru-44066aj010. They are for a Subaru Legay but they fit on my setup. To my surprise, the shipping was extremely fast. Im talking like in 5 days from Japan fast. Anyways, it was a pretty straightforward install. My car is is on TRD lowering springs and has a TRD diffuser, so crawling under was tight, but I was able to do everything without a lift. All you need is some WD-40, a flathead, one of those clamper wrenches and some elbow grease. It solved like 65% of the remaining drone that I had. Definitely the best value for your money. I recommend everyone to try this first before doing anything else.

This is definitely a groundbreaking discovery in the drone world and I cannot thank OP enough. I am taking a 9 hr road trip in the coming weeks and cannot be more grateful. The hangers worked for my setup, but does this does not mean it will work for every setup so proceed at your own risk.

[kevaughan]

This is great stuff. I already have a relatively quiet setup (Invidia Q300, Invidia Catless Resonated frontpipe, Gruppe-S UEL headers) but I'm super curious if I can get a more refined exhaust tone with these hangers. If anyone has experience I'd be happy to hear your thoughts!

[gpvecchi]

I'd say they "clean up" the sound of the exhaust.

[jflogerzi]

Originally Posted by gpvecchi

I'd say they "clean up" the sound of the exhaust.

For me it reduced in cabin noise. With a cat and large vibrant res replacing the stock resonator on the stock FP drone was not so much a big issue

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[RToyo86]

I'm running all 5 hangers now on the stock exhaust with the header and overpipe.
I've actually noticed a deduction in vibration that comes off the exhaust. UEL problems.
That alone has been worth it even on the stock system.

[saltywetman]

Originally Posted by kevaughan

This is great stuff. I already have a relatively quiet setup (Invidia Q300, Invidia Catless Resonated frontpipe, Gruppe-S UEL headers) but I'm super curious if I can get a more refined exhaust tone with these hangers. If anyone has experience I'd be happy to hear your thoughts!

Invidia stuff is anything but quiet. (maybe when new). There are a lot of local members with the invidia q series catbacks who claim after a few months/heat cycles the catback becomes another noisy tin can piece from the Invidia lineup.

I believe the people on here who haven't had positive results from these hangers are those who have invidia catbacks. So just keep that in mind when deciding whether you want to pick up a set of these for yourself if you have an invidia catback.

[kevaughan]

Originally Posted by saltywetman

Invidia stuff is anything but quiet. (maybe when new). There are a lot of local members with the invidia q series catbacks who claim after a few months/heat cycles the catback becomes another noisy tin can piece from the Invidia lineup.

I believe the people on here who haven't had positive results from these hangers are those who have invidia catbacks. So just keep that in mind when deciding whether you want to pick up a set of these for yourself if you have an invidia catback.

This is exactly what happened. My Q300 catback after two years is now as loud as the R400 I had originally. I might give it a shot - thanks for your input!

[Ernest72]

Originally Posted by kevaughan

This is exactly what happened. My Q300 catback after two years is now as loud as the R400 I had originally. I might give it a shot - thanks for your input!

Mine too. Wish I could shove something in there to quiet it down just a bit.

[jflogerzi]

Originally Posted by Ernest72

Mine too. Wish I could shove something in there to quiet it down just a bit.

Dump it for an axle back if you still have the stock mid pipe

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