I got thrush welded in mine, not the loudest but sounds fucking mean, especially when downshifting.
All my friends i have say the 40's too quite

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2001 Mazda B-3000 CabPlus "FX2 Off Road"| 3.0 | 5 SPD | 3 In Spindle Lift | Belltech Shackles | UltraGauge |Alpine Head / 10" Kicker Setup | Air Box Mod | Add-A-Leaf| Thrush Welded B4 Rear Wheel | Kobalt Box | Cobra 19 DX IV | Custom PA Speaker | Front/Rear Tow Receiver | 2X Aux Lights | Hideaway Strobes | Back Rack Safety Rack | Amber LED Strobes | Blue LED Strobes | 265/75/R16 General Grabber AT2's