Offshoreonly.com - Hardin Seaward 525 replacement exhaust

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sp3132

10-03-2016 02:08 PM

Hardin Seaward 525 replacement exhaust

Does anyone have any direct experience with these yet? Looking to swap out some CMI's.

Unlimited jd

12-10-2019 09:51 PM

Bump also considering this option. 3 years later any opinions?

LS1	12-11-2019 08:10 AM

https://i.imgur.com/xWOQ1zb.jpg
https://i.imgur.com/JSqf3l6.jpg
https://i.imgur.com/BIApX05.jpg
https://i.imgur.com/89DUhID.jpg

Unlimited jd

12-11-2019 11:51 AM

Thank you, I’ve seen the pics, curious how they held up, any power differences noticed? Lost mph?

thirdchildhood

12-11-2019 12:35 PM

Sorry but that just looks so wrong ... :picard1:

Unlimited jd

12-11-2019 02:10 PM

Quote:

Originally Posted by thirdchildhood (Post 4718036)

Sorry but that just looks so wrong ... :picard1:

I know..... but $15k for headers, that will leak in a few years I’m good. I’ll add some lights or something.

Crude Intentions

12-11-2019 02:16 PM

You will most certainly lose power. I think with those style exhaust I read it made right around 510-515 on the Dyno in full marine trim Vs the 540ish they usually produce.

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