TNT/PFP chamber to RRP waterbox coupler

[yamanube]

I know this has been done, I am not in front of my parts right now to measure and would like to get something ordered to keep my build moving. I had to put an RRP waterbox in due to size constraints but need a silicone reduction coupler to mate the TNT chamber to the RRP box. Who's done it and can tell me the size?

 

[Big Kahuna]

@tntsuperjet

 

[yamanube]

If two separate people could tell me the RRP waterbox coupler size and the TNT waterbox coupler size, that would be fine too

 

[Aquaholic]

2.5" - 2.0".

 

[yamanube]

2.5" - 2.0".

Thanks Doc

 

[Aquaholic]

 

[yamanube]

I am running the same pipe/waterbox, how is water intrusion back into the engine?

 

[Aquaholic]

Don't let your ski float with the motor off for more than 5 minutes. I always start my ski (on the stand) and blow the water out after I come in from a sesh, as well.
YMMV.

 

[Vortex]

Hps silicone probably has what you need. They have a lot of odd size reducer couplers and what not.

 

[kinevac]

I have an older people pfp pipe with smaller diameter outlet, going to the new style waterbox. I used a portion of my 2 inch coupler on the pipe side then slid it into the 2.5 " coupler going to the water box. It will act as a reduction sleeve. Been running it without issue.