Racing Solutions (RSI) installed the Paxton S/C on my '05 SRT-10. The package I purchased included a polished S/C, polished intake, polished T/B (stock), cat back exhaust and tuning. The quality of the installation was flawless and the performance was incredible. Using a fairly conservative tune, RWHP was 672 and RWT was 637. I had zero problems the entire time I owned the car. You can't go wrong with RSI.