What exhaust with a MD321t
26 May 2009, 07:03 PM
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What exhaust with a MD321t
Was looking to swap my 3.5" APS exhaust system due to it being a bit loud since fitting some RCM headers, but have now found that due to the twin dump style downpipe I am suffering boost creep which meant my car was recently unmappable.
So will any open neck 3" system be OK?
What works for you?
Views and opinions please.
CHEERS,
Dave.
So will any open neck 3" system be OK?
What works for you?
Views and opinions please.
CHEERS,
Dave.
26 May 2009, 09:51 PM
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Forgot to add some figures regarding my perceived problem.
Upon completely releasing the actuator arm and thus allowing the wastegate to freely blow open, I am still making about 1.35 bar of boost at around 6k revs.
Am I correct in thinking that I should only be making around 0.9-1.0 bar, and that my twin dump downpipe is causing the restriction?
Upon completely releasing the actuator arm and thus allowing the wastegate to freely blow open, I am still making about 1.35 bar of boost at around 6k revs.
Am I correct in thinking that I should only be making around 0.9-1.0 bar, and that my twin dump downpipe is causing the restriction?
Last edited by Mackers; 26 May 2009 at 09:52 PM. Reason: typo
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