We do carry the MagnaFlow Stainless Steel Catalytic Converter - # MF93108 for your 2005 Lincoln Aviator. We just add the "MF" for MagnaFlow in front of it to make the part number unique.
For shipping availability you'll be able to see an estimated delivery date on the product page by the shipping information. view full answer...
I contacted our representative at MagnaFlow about the MagnaFlow Stainless Steel Cat-Back Exhaust System, part # MF16937. He informed me that all the exhausts that they develop are designed to be under 95 decibels from outside the vehicle and to reduce drone inside the vehicle. Also, with the amount of sound deadening material on an SUV, that should help reduce some of the noise. But, with any custom exhaust application, there will be a difference in noise.
I have driven SUVs with similar... view full answer...