hey you guys thank you with your imput...im goen all stainless with the 4" 2.5 core - 14"resonator item #14415 its shorter than the aluminized but i want longevity. The muff im sticking with same demisions just upgrading to stainless.if any one of you know the MagnaFlow resonator stainless part number that uses same measurments as the aluminzed # 10435 please inform me. Thanks again.

2000 Merc LS #25302 Ducati Monster 620 (red), 250 Honda VTR (white and blue),Kawaski Eliminator 600(red), mini chopper(a.k.a)Suzuki Savage LS 650 modified (black)