Freestyle How do I quiet my ski down?

[Awesomeandy]

I have a dasa 1000 with a RRP pipe and I ride in a small lake and would like to try and quiet my ski down so I don’t get hassled...any ideas would be greatly appreciated. Thanks


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[SmittySX]

What kind of hull

 

[Yami-Rider]

Possibly a inline resonator after waterbox.

 

[Awesomeandy]

Helium hull, would the inline resonator affect performance?


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[Harbor]

Allowing full water flow to your water box will help some but you'll still need something else. Do you have your water box outlet hose spliced with a section of pipe ? Wonder if adding a bung to it and a water fitting and flowing water in at that point as well would help the noise level.

 

[Yami-Rider]

Anything you do will most likely effect performance. A spray bar like harbor said may hinder performance less then a resonator.

 

[Baja 252]

Install a turndown on the exhaust exit, like a stock SXR has might help s little.

 

[Yami-Rider]

My buddy put an flatter on the exhaust outlet, like the 750sx, it made a difference in sound. Since it's a helium, you could get a clamp on style flapper, like what is used on wakeboard boats.

 

[Yami-Rider]

Not sure if they make smaller then 3". You need 2.5. You could put a rubber hose over you outlet to make up the .5" difference.

https://www.waterskis.com/100295-p/exhaust_flap_3_inch.htm

 

[TheBuzzard]

the rrp waterbox has no baffle. its straight thru. a powerfactor box will quiet it down. I don't know what you have for a motor, but if its a big powervalve motor, its not qoing to be quite as a curch house mouse nor do you want to choke it down.

 

[CARBONX2]

How new is your pipe? Changing to centre bleed will quiet it down
You could cut stinger off, glass end closed, core a hole in largest part of the pipe and epoxy stinger there, some silicone hose bends will get you back to the WB inlet

 

[Just4Fun]

Tnt system will quiet it down.

 

[DAG]

Find the hole the noise is coming from. Duck tape it shut.

 

[623pwr]

This should help, same problem. Overboard to exhaust.

 

[623pwr]

Like the Buzzard said it's still going to bark out of the water. It does seem like the tnt pipes are quieter, but not 100% sure.

 

[CARBONX2]

TNT wbox is quiet, add a centrebleed pipe to that and you have something a bit louder than stock.

 

[623pwr]

I was wondering about the tnt box. I didn't know if the carbon was louder or not. The mod I did toned mine down a lot. It doesn't do much when your in the air though.

Your mod sounds nice too. It doesn't have a stinger in the chamber though.

 

[623pwr]

What do you think of the Helium Hull Andy, if you don't mind me asking?

 

[Jetfiend]

What do you think of the Helium Hull Andy, if you don't mind me asking?

Here we go!

 

[Zero Client]

No one mentioned try turfing the outside of your waterbox


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