When I had BOSE speakers in my 2007 Toyota RAV 4 they were crap!

But the BOSE speakers in my 2019 CX 5 GT Reserve are REALLY good, better than the custom speakers i had years ago in my Maxima. Thank you MAZDA.

Eric b.

 

Yes The BOSE system in 2018 & 2019 & 2020 is very well designed for the MAZDA's . To bad your MAZDA does not have anything to speak of for serious sound deadening materiel. You could drastically improve the BOSE sound experience with a week end of DIY sound deadening materiel. Oh and it will not void any of your warranty with MAZDA. lol

 

Where would you recommend I put something like DynaMator KillMat? Wheel wells? Firewall? trunk?
All of the above?

I've done this in the doors and trunk of a tuned '98 MAXIMA I used to autocross. Helped some. Had to remove it from the trunk lid as it made it too heavy.

Eric B.

 

In this order: Doors, trunk(or hatch) complete floor pan, roof behind head liner,under hood, then wheel wells(front first). The and last would be to wrap the exhaust and do the complete undercarriage. Added weight would be about 75-150 lbs. This would really only effect 1/4 mile times by about 1-2/10 slower. Your lateral-G's may by aprox. 07.
As for the recommendation of who materiel to use.. I have used or tested almost every ones and tend to stay with FAT MAT it sticks like no others then Dyno mat.
I am sure everyone has there own personal preference and I have read most all the tests and top 10 reviews and my choice always seems to work best for me!
I am not sure why your were concerned about the trunk lid on an apparent street/week-end Track car? LOL It makes no real sence to me? I suppose like my MAZDA Trunk lid I have to be careful to no let it shut itself because it will slam hard. LOL

 

"C",
I saw photos on a Prius v forum where the owner had his ENTIRE Prius v wagon covered inside with DynaMat. He said it added less than 50 lbs. The seats, carpeting and roof liner were removed. The roof, trunk and all 4 wheel wells and the doors were lined. He was an audiophile and had it done for him at a custom shop. Cost was $2,000. mainly in labor. He has previously installed his own head unit and speakers.

Interestingly the CX 5 GT Reserve has laminated front side windows which help in cutting down on outside noise. Also the turbo cuts down on exhaust noise, as turbos tend to do universally. Even the "turbo whine" from spooling up seems muffled by the firewall insulation and heat baffles. MAZDA has done a lot better job in recent years of reducing NVH in their vehicles.

QUESTION: Is the sheet metal covering of the "cold" side of the turbo there mainly as a heat shield? The "hot" side is too cramped to add a thermal turbo blanket, unfortunately.

Eric B.

 

I am not going to argue with second hand info from another member report from paying a shop to do the work from another forum forum! LOL
I just did mine last year and also just did a Certified weighing of my Mazda. LOL
Its simple math if you only do the bare minimum of coverage, use the thinnest material, do not over lap of double up on area's that create more noise I am sure you can waste the time effort and money to do a good job and results of reducing road and outside noise levels. LOL
You can see the weight of product and the basic coverage info on the better quality suppliers of sound deadening material like Fat Mat.
Take you door panels off and have a look. Or just walk around your MAZDA and knock your knuckle on the panels and listen. .
Mazda is one of the worst auto manufactures for adding noise reducing materiel to most all their models?

You really seem to want to improve your MAZDA and also have some DIY skills of sorts so I am not sure why you ask for help and advise and then argue and debate from a few of us that know this stuff and try making responses to help you make better choices of mods, parts and procedures. LOL

I understand you want to believe your GT is different, but let me say there is a lot of room for improvements!

 

"C",
I only reported what thePrius v owner said. Likely it was more weight than he reported. I know covering the entire trunk lid of my '98 Maxima was too much for it to stay up so I had to strip some off. That stuff is heavy by necessity.

Oh yeah, I obviously CAN improve the N part of NVH in my CX 5 GT Reserve. After I see how easy or difficult it is to get to my front floor I may do it, especially the front wheel wells and firewall. But doors is an easier area to add DynaMat and that's where I'll start, as soon as our Las Vegas valley temps get below 90 F., that is.

One of the reasons in earlier years I refused to buy a MAZDA sedan was the high noise level. In that area MAZDA has improved a lot - with obviously more room for improvement.

 

You know it is better to install the materiel on warmer to hot days. The materiel is much easier to work with and contour around irregularities.

The front fender wells will be a challenge. You realize they are plastic (at least they are on the sedans) and will need to be supported better by adding more fasteners.
But had you installed you CS Catch Can you would have been able to have seen what it looks like under there with the wheel liner out.


Sorry the flash covered the SF(square Feet) this is my extra FAT MAT for my hood project alone!