Stainless Steel Exhaust System for AQ271C (alternative to Hi-Tek / marinetorq)

bollerwagon

Petty Officer 3rd Class
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Oct 15, 2020
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I was absolutely in love with the australian exhaust system from Hi-Tek because of its look and the guarantee that never again the failing gasket will kill my engine.
But I can´t manage to get one from them that fits, the HT-28 provided by them is too low, not matching with the Y-pipe from the 290 DP.
So I´m looking for an alternative system now. Any suggestions?
 

Scott Danforth

Grumpy Vintage Moderator still playing with boats
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49,585
Stainless Marine and custom elbows

or modify your Y-pipe
 

Lou C

Supreme Mariner
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Nov 10, 2002
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12,693
There were reports of the Hy Tek units burning through at the exhaust ports causing an exhaust leak. Try your OE style from Barr Marine if they make them. I have a set of Volvo style exhaust on mine they sealed perfect been on 5 years.
 

bollerwagon

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What I liked about the hi-Teks is that they have the brackets for alternator or fuel filter exactly matching the engine setup. Barr, Eddie marine or stainless marine don’t have this, I assume.
 

Scott Danforth

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What I liked about the hi-Teks is that they have the brackets for alternator or fuel filter exactly matching the engine setup. Barr, Eddie marine or stainless marine don’t have this, I assume.
and your stock volvo manifolds dont have any brackets. the brackets mount to the engine fasteners holding the manifolds to the motor

anything short of factory manifolds, you have to modify the brackets
 

QBhoy

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8,342
They don't make manifolds or elbows. They pickup after the elbows
I’ve got corsa 90 degree elbows/divertors . If that’s what you mean. You’ll likely be right about the manifold though. Can’t think I’ve seen such a thing, to be fair.
 

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Scott Danforth

Grumpy Vintage Moderator still playing with boats
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I’ve got corsa 90 degree elbows/divertors . If that’s what you mean. You’ll likely be right about the manifold though. Can’t think I’ve seen such a thing, to be fair.
That is after the factory elbows.
 
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