EXHAUST (which one)
 

Its for a merc 502/500HP EFI with a 540 stroker in it..

Stainless Marine Gen III BBC High torque III's
http://www.stainlessmarine.com/myProducts.CFM?CFID=7284690&CFTOKEN=b2a0b4af00105d a2-1AB95C92-3048-2D85-1B9A9055BA9DD706&parentcategoryid=42%7CBB%20Gen%2E %20III%20Manifold%20KITS&productID=17&showDetail=1 &categoryID=42|BB%20Gen%2E%20III%20Manifold%20KITS &vendoridtodisplay=0&filterFor=&collection=

OR

Standard CMI elbows headers

Stainless Marines, They do not leak.

i like the CMI's elbow top 300 HRS. no problems

S/M I have had mine since 1995 mine are full water jackted dry set up sound pissa:D no leaks:D so far and I am saltwater only, just rinse and dry:p

S/m gen 111

pantera-

You and the other 3 guys can get me CMI elbows tops with tails for exactly $2995!! can anyone do better, maybe throw in the bracket or anything to sweetin the deal?

ill be ordering next week

Thats a good price...wish I had you 2 summers ago.

come on now OSO, no one has an opinion on this?

im ordering 2 sets of exhaust this monday,

i like the way the headers look (cmi or lighting)

but ive heard the SM whoop a$$

didnt read right

Go with the SM's. Cast aluminum will last longer than the welded stainless tube. Just check the difference on the warranties, pretty clear in my opinion.

Both are nice products but I am a big fan of headers over cast. If they are flushed and properly cared for they won't rot out. From a maintainance standpoint headers are easier to deal with, you can actually SEE you spark plugs.

I would be concerned with fit regardless of whos headers you pic. If you run tails they may not mate with your existing exhaust holes in the transom. Can CMI custom bend your tails or are you buying off the shelf. Off the shelf parts rarely fit they way you think they might.

Companies like Lightning and Stelling will ask for measurements before you buy. I know CMI will make tails to suit but it's an up-charge.

That wouldn't be because there's already been 1,000,000 threads on this topic already would it?

BINGO WE HAVE A WINNER:cool-smiley-011::cool-smiley-011:

THE CMI ON MY 540'S SOUND GREAT:cool-smiley-011:

SM, 5yr warranty... nuff said.

I have aset of SM Hi-Torques now and had a set of Gen III on previous boat. You simply cannot beat the fit, finish and overall quality. Good customer service as well. Cast aluminum will last longer, no question. I think the horsepower gains will be quite similar.

I agree Donman. It's not that the cast aluminum will out last the stainless because of corrosion. I think it has to do with the welds in the stainless tube that leak due to the constant contraction from thermal growth (hot/cold...hot/cold).

There are two types of CMI'S, The one's that are leaking and the one's that are going to leak. Stainless Marine:D

Just put the big cast iron collectors on it. Its gonna be a mule anyways biatch.

Guys -

Tomorrow I am going to wake up in the morning and have breakfast. I have heard alot of good things about Rice Crispies and Fruit Loops.

What do you guys think? Opinions please!!! No sales pitches!!!

I got Corn Flakes for $ 3.79 a box last week . I like them. :grinser010:

I got 3 guys that can get me Corn Flakes for $3.79 a box. Anybody want to sweeten the deal with a decoder ring or something?

a decoder ring! that was actually pretty funny! speaking of mules, did you pick that skater up yet or what?

by the way, why dont you be a good neighbor and buddy and go mow my lawn in Charlotte, ive heard its like a hay feild over there!

Yard looks good down there. I just drove by. I just got insurance for the Skater last week. Went the bootleg route saved 8 grand. I am busy try to turn my pond back into a pool now.