MNLex Posted May 27, 2004 Share Posted May 27, 2004 What's up fellas I've been contemplating whether or not to spice up my '03 IS300 and now I have decided to do it. I would like to know what is the best intake for the money and what type of exhaust to get (without comprimising too much sound) any help at this point would be great. Thanks Quote Link to comment Share on other sites More sharing options...
bartkat Posted May 27, 2004 Share Posted May 27, 2004 The most power gains from an intake would be SRT intake with the piggy back ECu controller. Power wise for exhaust you get the most power from a Y pipe like a Xerd race pipe. That and a third cat eliminator with your choice of axle back is the best power combo. Quote Link to comment Share on other sites More sharing options...
MNLex Posted May 27, 2004 Author Share Posted May 27, 2004 Thanks man, How do you like the E-Shift? Not quite a 5spd but it still moves. Do you think SRT is the best brand as far as power or just your opinion? I only ask because my friend bought an Injen that "supposedly" gave him 10hp more but who knows if it really did ya know? Plus he has a Maxima and maybe our engines are tuned higher performance wise before hand or something. Quote Link to comment Share on other sites More sharing options...
jimcyzfr1 Posted June 4, 2004 Share Posted June 4, 2004 i would have to agree with the srt intake pipe, with the piggyback ecu makes a difference, almost all others are actually loosing power gaining only noise. the ecu is the reason for the price difference but would you pay less just to have it loud and possibly loose power? anyone used the obx headers, noting them on ebay for $249 new. sounds great and headers are hard to wrong with aside from the fit? only concern is check engine lamp due to loss of cats, anyone with expierence help us out on this matter, just not ready for the cost of a turbo and really need to get some more power to this with the boggy auto shift tranny. Thanks oh and can you let me know where to buy the SRT intake and what price is competitive! :D Quote Link to comment Share on other sites More sharing options...
hvrod Posted July 2, 2004 Share Posted July 2, 2004 flow exhaust would help Quote Link to comment Share on other sites More sharing options...
hvrod Posted July 2, 2004 Share Posted July 2, 2004 cold air intake.. Quote Link to comment Share on other sites More sharing options...
hvrod Posted July 2, 2004 Share Posted July 2, 2004 Headers... Quote Link to comment Share on other sites More sharing options...
hvrod Posted July 2, 2004 Share Posted July 2, 2004 Make sure your plugs are changed prior to the suggested time to.. Quote Link to comment Share on other sites More sharing options...
hvrod Posted July 2, 2004 Share Posted July 2, 2004 Depending on the mileage of the car... O2 sensor make need cleaning , or replacing Quote Link to comment Share on other sites More sharing options...
hvrod Posted July 2, 2004 Share Posted July 2, 2004 Throttle body.. keep it clean... Quote Link to comment Share on other sites More sharing options...
hvrod Posted July 2, 2004 Share Posted July 2, 2004 air sensor ... keep it clean... Quote Link to comment Share on other sites More sharing options...
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