Magna_Flow

Hi Raymond, most of our mufflers can be used as center resonators. For your truck, we would recommend a 5x8x18" or 5x8x24" sized center-in center-out unit to bring the volume down. You can check out our full line of mufflers here:
http://www.magnaflow.com/automotive-...ance/mufflers/

If you have any questions, please let us know!

Raymondrasa

thank you I am definitely going to get one for it just figuring out what size what are the part numbers on those? I was told to try the 13742