I have amuse/ericsson full exhaust set-up with H and X pipe.
less sucking sound when releasing the throttle.
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e90 m3 melbourne red metallic, "One and Only" e90 sedan Amuse Ericsson full exhaust(new model)with custom spec, Afe intake with stock box,piano black trim, blackline tail, HRE P40 9x19,10.5x19
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