Note from Ryan: Use the table below to find the correct Thrush Welded Muffler configuration for your car or truck. Not sure which to choose? Follow links to check vehicle fit on Amazon.
 |  |  |
| Center In / Offset Out | Offset In / Center Out | Offset In / Offset Out |
| 2.25" IN / 2.25" OUT | 2.25" IN / 2.25" OUT | 2.25" IN / 2.25" OUT |
| 2.5" IN / 2.5" OUT | 2.5" IN / 2.5" OUT | 2.5" IN / 2.5" OUT |
| 3" IN / 3" OUT | 3" IN / 3" OUT | 3" IN / 3" OUT |
 |  |  |
| Center In / Dual Out | Dual In / Dual Out | Offset In / Dual Out |
| 2.25" IN / 2.25" OUT | 2.25" IN / 2.25" OUT | 2.5" IN / 2.5" OUT |
| 2.5" IN / 2.5" OUT | ||
| 3" IN / 2.25" OUT | ||
| 3" IN / 2.5" OUT |