ECU Chips?

I Have Them on my w210 wagon and yes the Pullies do work!
You Will get more horsepower from the pullies than a software mod (on a N/A Engine)
Also what other readily available choices are there for adding some power short of adding Kleeman supercharger which is like 14K right?
Choices I heard of:
K&N filters. How much real gain? Price?
Exhaust? what type and how much gain? Price?
what else?
would it be possible to push e430 past 300 horses without modifying the engine (no modified camshafts etc) and within $1000?
thanks for the enligthment
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I have a CLK430, and have found no decent software for the naturally aspirated Mercedes. If you're looking for a few HP, our underdrive pulleys will add 13HP (DYNO PROVEN) at the rear wheels for only $499.
Do you have a link about Wetterauer chip for mercedes?
Do you know if they have a chip for a 97 E420? How much does it cost and wher ecan I buy one?
Please post more info! thanks!
Edward
www.upsolute.com has sales reps all over the country, who you can drive to meet and have your car chipped.
Anyone know where/how to remove the ECU? I know how to do it on my Passat, but have never tried on my mom's car...
My combined city/highway mpg went up from 18 to around 20.5. The Upsolute rep for our area is John Achilles. Go to upsolute.com and find his contact info in the dealer page.
I recommend it.
Anyway, seat of the pants dyno tells me it's the best bang for the $. It feels like the car's in "4" all the time I'm in "D"



