porting exhaust manifold
Apr 8, 2008, 12:08 PM
#1
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porting exhaust manifold ???
i have a evo 9 and wanted some feed back to know if it is worth it to port and polish the stock manifold.
What gain if any should i expect?
What gain if any should i expect?
Apr 8, 2008, 01:45 PM
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That's what most people do, the stock Evo manifold seems to be really good. I plan on getting a PPI "extreme ported" and coated Evo manifold very shortly. The gains are pretty good but I don't know exact numbers since I haven't done it yet.
Hope this helps.
Hope this helps.
Apr 23, 2008, 06:15 AM
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Youl net a small gain after a tune and slightly different exhaust note possibly. But i personally think its BUTT UGLY coated or not. Get a nice $$ ported and polished tubular ex manifold. Try to stay away from the cheapies they seem to crack often
Apr 23, 2008, 12:54 PM
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It does it's job. If it really is still ugly in your eyes, you could buy a nice Ti Manifold cover like Arc's =D
I'm planning on porting my stocker thru PPI as well.
I'm planning on porting my stocker thru PPI as well.
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Apr 23, 2008, 01:02 PM
#8
Why spend boku bucks on a tubular that will only slow you down? port the stocker for cheap, make power, and buy a blingin cover. All that for half the price of something that is just going to crack more than likely.
Oh by the way I will have a ported stocker for sale in the next 2 weeks.
Oh by the way I will have a ported stocker for sale in the next 2 weeks.
Apr 23, 2008, 01:13 PM
#9
Why spend boku bucks on a tubular that will only slow you down? port the stocker for cheap, make power, and buy a blingin cover. All that for half the price of something that is just going to crack more than likely.
Oh by the way I will have a ported stocker for sale in the next 2 weeks.
Oh by the way I will have a ported stocker for sale in the next 2 weeks.
May 6, 2008, 06:23 PM
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Well is there a way to go over the welds on a MR ss manifold to strengthen the welds and prevent the manifold from cracking? Or perhaps there is a way to still brace the turbo setup off the bracket that the factory 02 bolts to even though you maybe running an aftermarket housing.