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Message: [QUOTE="bigjake0524, post: 237414, member: 295"] A tighter exhaust housing will speed up the turbine wheel which makes the boost come on sooner. It will make the low end response of the turbo better but take away from the top end also, as the engine rpm's climb. Big turbine wheel tight housing will give you a more responsive turbo. Just depends on where you want to have the turbo most efficient. And at what rpm you want to run. If you use the upper range of the rpm's than a looser housing is better. But if wanting to tow more than a tighter housing may be better for cruising. There are compromises with both. Or you can run a tight housing and a wastegate and have the best of both. [/QUOTE]

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