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**Shane@DBPerformance** · 01-12-2008

Sheetmetal intakes make decent power on 1Gs, if you have cams and a turbo that is worth reving past 7000RPMs. People have made good power on the stock 1G intake manifold though, but they won't carry the power out past 6500. From what I have seen, the 2G manifold blows. You put a 1G TB on a sheetmetal intake with a 2G head and you have a setup that can make some power.

The Evo seems to be a bit different though, they really don't drop much power up top reving out to 8000. Even on stock turbo Evos that might lose 3-6psi of boost from max torque to revlimiter, often have a fairly flat or small drop in power up top. From what I have seen with aftermarket intake manifolds on Evos, the gains are hard to come by. With a 1G or 2G DSM you can just at a dynochart and know if a car had a stock intake manifold on it or not.

01-12-2008	#16
Shane@DBPerformance formerly ecoli Join Date: Oct 2003 Location: On the dyno Posts: 4,892	Re: Buschnuts calls out Magnus Sheetmetal intakes make decent power on 1Gs, if you have cams and a turbo that is worth reving past 7000RPMs. People have made good power on the stock 1G intake manifold though, but they won't carry the power out past 6500. From what I have seen, the 2G manifold blows. You put a 1G TB on a sheetmetal intake with a 2G head and you have a setup that can make some power. The Evo seems to be a bit different though, they really don't drop much power up top reving out to 8000. Even on stock turbo Evos that might lose 3-6psi of boost from max torque to revlimiter, often have a fairly flat or small drop in power up top. From what I have seen with aftermarket intake manifolds on Evos, the gains are hard to come by. With a 1G or 2G DSM you can just at a dynochart and know if a car had a stock intake manifold on it or not. __________________ www.dbptuning.com