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Chan Chee Hoe · 09-07-2010, 07:40 AM

Hi friends,just fitted H.K.S. Hi power cat back exhaust + K&N dropped in filters,no power increase is noted,anybody knows why.???

09-07-2010, 07:40 AM	#1 (permalink)
Chan Chee Hoe Track Member Join Date: Mar 2009 Location: Singapore Posts: 861 Drives: 370z,Yellow,7sp A Rep Power: 17	No power increase.! Hi friends,just fitted H.K.S. Hi power cat back exhaust + K&N dropped in filters,no power increase is noted,anybody knows why.???