You need 2.25IN Center, 2.25OUT Offset for stock piping.
I kept my stock 2.25" downpipe, have a 2.25" I/O CAT, 2.25" I/O Muffler, swedged the end of the 2.5" tailpipe to fit OVER the outside of the muffler outlet port for better flow.
Here is the main differences between their series:
Delta 40 - More compact, aluminized, low interior resonance, aggressive exterior sound
Super 40 - Bigger than Delta and 44, Black, Medium interior resonance, aggressive exterior sound
Super 44 - Black, high interior resonance, aggressive exterior sound
1995 XJ Cherokee Sport
4.5" Homebrew Lift, 4.0L HO I-6, AX-15, NP231, D30(Open)/C8.25(Locked)
33x12.5 Mickey Thompson Baja MTZ Tires, 309,000 mi and runnin' strong
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