MisArianna

I have owned my 2006 IS250 AWD for a little over 2 years now and i have become bored so to speak. I love having AWD and thought about switching to the AWD IS350 but it is out of my price range. (At least another $10-15K)

I have been searching the forums for ways to increase HP and most threads end the same, everyone says get a IS350. Unfortunately, I need AWD for out brutal Alaskan winters and getting a 2011+ IS350 AWD is out of my price range and not an option.

Any Ideas and links for the products where I can increase HP about 30-50? Nothing to much, but I want to make my IS250 fun again like when I first got it.

Any options help. No matter how subtle the increase.

Thank you,

-Arianna

lysis250

iTrader: (18)

Intake, headers, midpipe, custom downpipe, and exhaust. That's basically all you can do.

vboi4life

iTrader: (2)

i have is 250 awd too.i bought my car new in 09.at that time there is no is 350 awd.that why i pick is 250 awd.i know is 350 like more 100 horsepower than is 250 some like that.i never test drive is 350 at all.i alway thought i would change to is 350 later on but to my suprised.last coupe week my brother look for new car.i told him to get is 350 .i did test drive the is 350 the first time.i didnt feel lot different in horsepower.i think its all depend how you drive your car.when i drive my car i have power mode on and. also turn red in apexi mode and i drive it like its not my car.it drive damn fast.i never think again about change to is 350 at all.

azfsprt

iTrader: (4)

Hi Arianna,

As the previous members have mentioned you have a nice car, nothing wrong with an is250. I also have the same situation except I have an f-sport rwd and want to add more things to make it more fun.

You may not have too much to do for power upgrades because of the lack of aftermarket upgrades compared to other cars out there. But if you have some nice twisty roads there then I suggest upgrading your suspension! You can't go wrong with suspension no matter how fast you are. Look at the mini cooper owners out there they are having a blast with the little hp they have. Awd is great but its not enough to really get you around quickly and as exciting.

Now if you really still have your heart set on HP then get intake, headers, exhaust, downpipe, mid-pipes, air fuel ratio tuner system or even have your ECU reflashed, dyno it and you should get your 30 hp at least from that. Do some weight reduction CF body parts (your hood is aluminum so its light) but having vents makes a world difference your engine cooling. Can't have all that HP and not cool it. AND if you are still not content then get a turbo or SC.. and if you are still not content with that then get a new car LOL.

Seriously though, to have fun with your is250 HP is not enough if you can't control it so like I said suspension makes a worlds difference.

nosurprise

iTrader: (1)

I think you should do the sway bars as well, it's relatively cheap and improve the handling a lot on turns.

reyoasian

iTrader: (2)

look deeper into suspension mods rather than performance mods (which are next to nonexistent for this car)
corner is where the fun's at

Initial G

iTrader: (38)

+1 on suspension mods rather than performance mods to increase HP.

Front and rear sway bars made a huge difference compared to stock.

If you really want to increase HP performance wise, you should start with intake, exhaust, midpipe.

Btw, welcome to CL and the IS community.

keyframe13

You have got to be kidding. It's night and day between those two engines.

vboi4life

iTrader: (2)

i know what you mean but remember its not like we are racing on track.how fast you want go in local are with traffic and free way.step harder on gas pedal and you will see.do you always drive 80 or 90 miles on free way when it limit 65.i normal do 80 or 90 with my is 250.like i say give step lil harder

bob4256

iTrader: (17)

For the money your going to spend on these "power mods" you should use towards a 350 if you want power

krUnALv99

1 Sticker adds 1 HP.

MisArianna

Like I said, No only is an AWD IS350 out of my price range, I am really just not interested in one. I do not need that much power. I just want to give my IS250 a little more. Just to make it a bit more fun.

Thanks for you input.

Initial G

iTrader: (38)

Glad to hear that you are happy and content with your 250awd.

But the difference in HP between the 250 and the 350 is a huge in my opinion. To me it wouldn't matter if you had power mode on or drove your 250 like it wasn't your car, compared to a 350, the 250 is just not as fast.

keyframe13

Believe me I step on gas and the power is just not there and it takes forever. By your logic we should not have cars with more than 200hp as we cannot go any faster than 80. in reality it is nice to know that you have power you can rely on otherwise everyone would buy a Prius. I care less about top speed, I like the pick up of the speed to be there.

vboi4life

iTrader: (2)

i would race any is 350 in local if they think their car fast than my is 250.i mean i did drive is 350.it does quick but not that quick like i expect they have like 100 hp than my is 250.