Is250 performance sugguestions
you're done buddy! Unless you want to spend 4-5K on a supercharger that only runs 5-8lbs of boost and minimal increase in HP. Maybe 50 MAX. Most people would say to get a 350. Sorry. Invidia or Megan Midpipe? Nitrous is another option.
Last edited by Sffd103; Aug 21, 2011 at 09:12 PM.
You should sell your car and buy an IS350.
You'll end up with significantly more hp for significantly less money compared to boosting a 250.
The only place boosting a 250 makes any sense is in countries that don't offer the 350.
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Either add some juice, or nothing. Boosting is just way to expensive on these cars to see minimal gains.
If you actually do wanna consider boosting the car, try test driving a IS350 first. This might just change your mind!
If you actually do wanna consider boosting the car, try test driving a IS350 first. This might just change your mind!
The only two superchargers worthy of mentioning are the RGM Motorsport supercharger and the ARMA Speed supercharger. Both have proven dyno hp figures that are above IS350 horsepower. If you have money to burn then by all means slap on a supercharger and set the record straight. If not then your only last alternative is to wait for the custom intake and MAPECU3 configuration one of the members in this forum is working on.
If all works out well after all is said and done you can slap on a nitrous kit running a 75 shot, in combination with your current setup and that of the custom intake and piggy back and there might be a chance that you can give an IS350 a run for it's money.
If all works out well after all is said and done you can slap on a nitrous kit running a 75 shot, in combination with your current setup and that of the custom intake and piggy back and there might be a chance that you can give an IS350 a run for it's money.
Last edited by Sffd103; Nov 24, 2011 at 09:38 PM.



At the end of the day even with a supercharger anyone in stock IS350 will walk away from you.
