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Message: <blockquote data-quote="Anthony5785" data-source="post: 27877" data-attributes="member: 23329"><p>Hello, The purpose i post this thread is to share on my experience on how i increase the HP & Torque of my car. The information i post is base on personal findings and might differ from others. Exhaust System:  For the exhaust i choose the Hamann exhaust system & design (quad). Mine is only half system which is starting from the exhaust pipe (after the resonator) till to the end. The reason i choose is because of the muffler design as the 4 outgoing to the tail pipe is connected together muffler. The theory behind is to improve the efficiency of air flow in and out from the engine for the combustion as fuels require air to burnt thus it shall produce energy. - HP Remapping: I upgrade my car ECU, up date the idrive version to 30+ and re map. The remap shall be more focus on the engine respond, initial acceleration & rev. -Torque Before completion of all these, i shall conduct a dyno test on before and after to compare the value. Hopefully all these shall complete by end of Feb. Next step, as supporting action towards improving the HP & Tor further, weight reduction shall be in my project pipeline.:top:</p></blockquote><p></p>