OK guys so I installed a single magnaflow exhaust, 14 inch. replaced my straight pipe...now it feels like I've got a lot of regained HP...like maybe my straight pipe was letting out too much back pressure. it's not quite as loud as I'd hoped it woult be..but guess I just gotta do an off road X pipe to dual magnaflows to make it louder. thoughts on the duals and the regained HP?

 

Don't do the off road X pipe. You remove the cats for that and the 4.0 doesn't have a good sound without the cats. Everyone I know who removed or gutted the cats regretted it.