I used this filter with the Mercedes Benz jb+ performance chip. Def. makes the turbo spool sound amazing. Check out the link below where i purchased it originally. There are a few videos where you can hear the turbo spool.
http://burgertuning.com/mercedes_benz_C250_performance_intake.html This can't be purchased from the original buyer online if you live in California because they are not allowed to sell in California due to emissions control Check out the pictures, there is one part that has a little dent, its just how the filter sits and rest against some part in the hood so thats whats its from. I originally purchased it for 129 plus tax and shipping and Im selling it for half the price with free shipping. This plug and play air intake system unlocks 7-10hp to the wheels from your gasoline C250 or E250 engine. In addition to the extra power throttle response and sound is dramatically improved, finally allowing you to hear your turbo spool up under heavy acceleration. The system is CNC machined from aluminum to avoid heatsoak, anodized black for a clean look, and includes a reusable K&N high flow filter. In addition the OEM cold air intake tube remains fully functional. Install takes only minutes and is fully reversible. BMS C250 Intake Features |