You can consider autofoam by KL Auto. They are autofoam & soundproofing specialist.

I'm currently on RE003 @ 15k worn, it's my 3rd set using the same.. It does sound less harsh when new, but then again I believe all new tyres sounded silent, no? But I still don't believe by changing the tyres, it will be as 'silent' as the Mazda or other Jap cars for that matter, right?

Lol bro.
You are using RE003 of course la noisy lel.
It's under UHP category and stick like a semi click tyre.
It's noisy and quiet hard and harsh.

Change to Primacy 3st and you will be shock how quiet you Suprima will be.

If out of budget, downgrade your 17 inch rim to 16 inch and use Continental CC6 instead.

Other things you might need to change for your 2013 Suprima is the absorber. Change all 4 include absorber mountings and bump stops. Around RM1k

Then change all 4 mounting on the engine and transmission. All 4. Not just 2. Most people change 2 only. Change all 4 and notice the different.

Then make sure use quality engine oil ( recommended fully synthetic ) and change every 7k km for smoothers and quieter engine.

Not to forget plss change your CVT oil earlier and do a clutch adaptation.

Soundproofing is the last thing you wanna do as its expensive and sometime the result is not up to your expectations after paying so much.

Cheaper alternative is you try going for door soundproof first. Search VibraMat on FB. Cheap. Try ask them to do 3 layer instead of 1.

Thanks for the heads-up.. managed to Whatsapp that branch in Glenmarie, indeed it is not cheap. Total was quoted about 2.5k+ 

Will ask for others to quote as well... thanks

I am wondering...will the foams causes the car body to be too solid and can't even absorb the collision force? 

(Because like our car bumpers mostly are soft and bendable)

For sure i will not tempered something that car manufacturer wouldn't do.

A video from Bobby Ang in KL Auto, showing the foam in a plastic bottle that became solid hard, no room for bending.

And this leads me wondering about the collision force...did someone notice that? 

I've personally done auto foam by KL Auto for 2 of my cars last time.

1st was a Volvo S40. I did it on this car because was in need to improve the handling as it was quite floaty feeling. It did improve a bit but I feel that the road handling is like having near to adjustables, quite 'hard'. It didn't really improve the NVH as the Volvo is quite good at it already.

2nd was on a Subaru Impreza V10. Now, the handling of this car is superb but NVH is really bad. So, I did the autofoam + sound dampening. Cost overall is about RM 3k or something. Ride became harsher and NVH improved by perhaps 10 - 20%. Wasn't significant enough.

Anyway, will I do it again? I don't think so.

Why? Because 1st - Desmond is just a salesman with a GREAT BIG EGO. 2nd, if you don't like the setup after autofoam, you CANNOT remove it! You'll need to live with it till you sell off the car. 3rd, I'd rather spend my money else where than giving it to KL Auto.

tq.

I didn't bother about what he says, but in his video, he shows something he found in KL Auto.

Comparison of 325ml Sprite bottles filled with and without foam, few inches hollow steels filled with and without foam, Those foamed one makes lesser sound when being thrown onto ground.

Back to my question, can someone proof (by scientific view), whether it will affect the collision absorption compare to the not foamed one?

So it is somewhat a scam?