Type: Posts; User: sdemetris
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3 stage intake manifold. Find a wrecked 328 with an N51 motor. or an older 330/530/z4 3.0is. they all have an upgraded intake manifold from what you have.. unless youre in the UK. then things are a...
03-06-2013, 04:14 PM
if you go with headers, would you keep the secondaries in tact or get rid of everything?