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Thread: 3in Exhaust on a 3.7?

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  1. #1
    Super Moderator Getting Dirty 07JeepXK's Avatar
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    If you already have a flowmaster muffler your not going to see any more gain. Get those 4.10's in there and you'll be set
    2007 4.7 Liter XK | Front Modified OME HD Lift | Rear 4" Superlift | JBA UCA's | Rusty's Rear Adjustable Track Bar | Rysty’s Adjustable Upper and Lower Rear Control Arms w/Heim Joints | Mickey Thompson Classic III 17x9 Wheels | 315/70R17 Goodyear Duratracs | Airflow Snorkel | Flowmaster 40 Series Muffler | Superchips Flashpaq | Mopar Skids | 4xGuard Belly Guard | American Rebel Rear Diff Cover | Rear Powertrax No-Slip | Front Electronic Locker | Rear Heat/AC Delete

  2. #2
    Lifetime Member Getting Dirty cabledog25's Avatar
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    alright thanks man

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