400 DA - Cat 3116 Dry vs Wet Exhausts

EKM

Active Member
Feb 4, 2007
674
Beach Haven, NJ
Boat Info
2000 420AC
Engines
Cummins 6CTA
Does anyone have experience with installing dry exhaust risers and if they had any improvements? I have the stock SS riser and they are leaking so time for replacement. Options are new CAT bronze units (wet risers) or look to aftermarket dry risers. If the discharge angle is the same, it would not appear to be much of an improvement. I'm just starting to reseach this but thought I would ask for opinions.

My turbo hot housing are rusting which maybe from leaking risers or backflow of water from riser.

Thanks.....
 

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