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thanks fellas i will do that...

how do you combat boost spike? some say you cant some say my removing the restrictor u cant eliminate it ,but at least lower the amount that it spikes by. i have purchased a turbosmart manual boost controller but before i install it i wanna make sure it will be done right... i kno a good boost gauge...

but doesnt the apexi twin chamber have a adjustable sound? an when adjusted how loud was it?