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ok guys so my mazdapspeeds pretty much stock i have the stock dp to a 3 inch side exit exhaust not cats, and i put a cone filter on the stock intake. thats it. my car started randomly not boosting much(no boost gauge but i can tell) in any gear if i try to boost it boggs out makes the exhuast...

this may sound like the dummbest ? to you all but i am new to the scene and was wondering if its possible to adjust your rev limiter i would want to lower it so i dont over rev and shft when i hit it make it like at 6k rpm instead of 7.5 or where ever it kicks in

anyone bought a core and some universal piping kit off ebay for there msp?