skat

I have the following impellers for sale: Brand new in box Skat-Trak "Swirl" Impeller - Pitch 17/23 - $160 -includes original literature and 2 nose cones 204160027 OEM Swirl Impeller for 97 Challenger - $35 -great condition 271000299 OEM Impeller for 96 Challenger - $50 -like new...

Just curious, for those of you who have changed your impeller from stock on your challenger, what brand and pitch did you go with? How did it change your performance? I've searched the forums and seen many posts about impeller upgrades, but few mention their pitch. Just thought it would be a...