Quote:
Originally Posted by m5james
...., so they're surely not necessary for you.
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I don't quite understand this comment... What other mods you suggest for 50i non-M owners?
Swapping the exhaust usually makes noise but no power. Going Catless dp's is lot of hassle with Smoke tests...
Bigger turbos would need matching tune for them.
50i intake is long and choked, and difficult to modify to allow air flow more freely.
N63 runs very hot on the V-valley, so cooling the air entering to combustion is an effective way to put more air volume through the engine. Cooler air is thicker, and if Dinan tune takes that into account, in theory it should make noticeable power increase?