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Thread: Hi-Tek SS manifolds ordered
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09-18-2012, 08:13 PM #1
- Join Date
- Apr 2011
- Location
- Pensacola, Fl
- Boat
- Sea Ray
- Details
- 2007 230 Select 350 mag bravo 3 wakeboard tower polk sound system
- Engine(s)
- 350 mag wBravo III drive
- Posts
- 25
Hi-Tek SS manifolds ordered
I just placed my order for the Hi-Tek Stainless Steel manifolds for my 2007 230 Select 350 mag. I bought the boat used last year with just 30 hours on her. I have put 65 hours on the boat flushing with salt away after every outing and the factory risers and manifolds have to be replaced. I am somewhat disappointed that with only 95 hours I am having to do this. The engine has the dry joint manifolds and the OEM parts are $1500. I thought for another $500.00 I would try the Stainless version. I have spoken to a couple of you that have used these. My question is to anyone else that have used these, How long have you had them and do you like them or would you buy them again? Thanks!!
2007 230 Select 350 Mag Bravo 3
Wakeboard Tower, Captains Call,
Polk Audio system with subs
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09-19-2012, 09:42 AM #2
- Join Date
- Mar 2010
- Location
- St. Petersburg Florida
- Boat
- 280 Sundancer
- Details
- 2005 280 Sundancer 2004 SPD-104 Achilles w/ 8hp Yamaha
- Engine(s)
- Twin 4.3 MPI's with Alpha drives.
- Posts
- 1,981
Re: Hi-Tek SS manifolds ordered
I've only had them for 6+ months but no issues so far (knock on wood). They are much lighter than OEM but with twin motors they were a pain to install. I boat 100% in saltwater so I thought I would give them a try. Only time will tell.

Proud Inagural Memebr of the HOLE IN THE WATER Club!
Previous boats:
1998 Yamaha GP 800 Jetski
1998 215 Aquasport Explorer
1995 180 Pro-Sport
1969 Sea King 14' Tri-Hull
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09-19-2012, 12:31 PM #3
Re: Hi-Tek SS manifolds ordered
2003 Sea Ray 280 Sundancer, Twin 4.3MPI, Alpha I's, Kohler 5.0kw Generator, Garmin 4208/GMR41 radar
1995 Sea Ray 175 "Five Series" Bowrider, 3.0l LX Alpha I (sold Fall 2012)
My current project, a home renovation: http://mulberryhall.blogspot.com

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09-19-2012, 12:39 PM #4
- Join Date
- Mar 2010
- Location
- St. Petersburg Florida
- Boat
- 280 Sundancer
- Details
- 2005 280 Sundancer 2004 SPD-104 Achilles w/ 8hp Yamaha
- Engine(s)
- Twin 4.3 MPI's with Alpha drives.
- Posts
- 1,981
Re: Hi-Tek SS manifolds ordered
OEM style has long bolts that you can easily get to the head to tighten because they are right there in front of you, the Hi Tek's are underneath the manifold (very short) and it's a pain to get some started and to get a socket on them. No way to get a torque wrench in there so I tightened them, ran it for awhile to heat everything up them re-tightened them. I listened for any type of leak and everything sounded good and has been this way since install.

Proud Inagural Memebr of the HOLE IN THE WATER Club!
Previous boats:
1998 Yamaha GP 800 Jetski
1998 215 Aquasport Explorer
1995 180 Pro-Sport
1969 Sea King 14' Tri-Hull
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09-19-2012, 12:57 PM #5
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09-19-2012, 07:34 PM #6
- Join Date
- Apr 2011
- Location
- Pensacola, Fl
- Boat
- Sea Ray
- Details
- 2007 230 Select 350 mag bravo 3 wakeboard tower polk sound system
- Engine(s)
- 350 mag wBravo III drive
- Posts
- 25
Re: Hi-Tek SS manifolds ordered
Boat started to overheat. I had my mechanic come in and he inspected and the manifolds are starting to plug up with rust causing poor circulation at idle speeds resulting in overheating
2007 230 Select 350 Mag Bravo 3
Wakeboard Tower, Captains Call,
Polk Audio system with subs
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09-20-2012, 05:46 AM #7
- Join Date
- Jan 2010
- Location
- Long Island
- Boat
- Sea Ray
- Details
- 2003 380 DA
- Engine(s)
- 8.1 Horizons ZF 63IV V Drives
- Posts
- 543
Re: Hi-Tek SS manifolds ordered
I'm on my second season with the hi-tek manifolds, no complaints and no issues.
"Dasch Boat"
2003 Sea Ray 380 Sundancer
8.1 Horizons, ZF 63 IV V-Drives
previous boats:
1988 Sea Ray 300 Weekender
1980 21' Mako
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09-20-2012, 05:46 PM #8
Re: Hi-Tek SS manifolds ordered
This might be a good idea when my oem's go. How hard was the interface with the stock exhaust system

2009 260 Sundeck
350 Mag BIII


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Thinking Great Deal For A Freind