Originally Posted by TVT_DESIGN
We installed a set on a C320. Gained about 9 peak RWHP and 6 throughout the range. Exhaust sound is a tad deeper and the car runs a little leaner (0.5 point).
For the sale price I would deffinately give them a look over, not too many other options.
and you will see better gains on a booster car, like srts and c32s.........sale ended Januray 31st, but you can try PM'ing Vadim to see if he will give you the sales price.