Get rid of the tuck and under look and go back to classic looks with this set of 4" Classic Duals that come with the Rinehart Power Pack fuel tuner which has been optimized for these pipes. Plug it in, select a map and go! Programmable fuel tables Software and USB cable included 10 stored maps that can be adjusted with dials Compatible with Power Commander maps (PCIIIUSB or PC5) Designed and built in the USA 1000392 09-11 Power Pack Classic Duals 4" Chrome with Black end caps MSRP: $1349.99 Enjoyed this Post? Subscribe to our RSS Feed, or use your favorite social media to recommend us to friends and colleagues!