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-   -   525 headers (https://www.offshoreonly.com/forums/general-boating-discussion/174536-525-headers.html)

LostinBoston 12-03-2007 10:52 AM

525 headers
 
Who, besides CMI, makes stright back headers for the merc 525???

Biggus 12-03-2007 12:09 PM

Stellings makes a replacement for the 525 Merc

Panther 12-03-2007 01:57 PM

Here's a suggestion....it ought to get the header guys going.....
http://www.stainlessmarine.com/bigblock3.html

raytart 12-03-2007 05:14 PM

1 Attachment(s)
stellings

Biggus 12-03-2007 07:08 PM


Originally Posted by Panther (Post 2357524)
Here's a suggestion....it ought to get the header guys going.....
http://www.stainlessmarine.com/bigblock3.html

SM does make great exhaust but do they actually make a replacement for the odd bolt pattern 525 ?

Panther 12-03-2007 07:16 PM


Originally Posted by Biggus (Post 2357966)
SM does make great exhaust but do they actually make a replacement for the odd bolt pattern 525 ?

I'm not sure but being aluminum I bet the head can be drilled/tapped, I'd have to check.

Lofty 12-03-2007 08:39 PM

Stellings makes by far the nicest headers.

LostinBoston 12-03-2007 09:59 PM

Is the Stelling big tube straight back suitable for a 525 or is the port sizing off? The 525 headers are not stright back.
http://www.trickmarine.net/images/pr...ingsblack1.jpg

Dean Ferry 12-04-2007 06:21 AM


Originally Posted by Panther (Post 2357524)
Here's a suggestion....it ought to get the header guys going.....
http://www.stainlessmarine.com/bigblock3.html

I personally think that is one of the best exhaust systems out there, besides KE's exhaust. If you boat in saltwater, they are the way to go, IMHO.
Dean

LostinBoston 12-09-2007 05:28 PM

BUMP
Has anyone actually replaced their CMI's on their 525's?


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