Muffler choices, quietest to loudest:
Stainless steel Magnaflow - MagnaFlow performance mufflers are designed to provide your Bronco with more power and a nice, resonant mellow deep sound. These mufflers feature a large-diameter, perforated stainless steel core with a straight-through design—for unrestricted flow and sound control. All contact points are lap-jointed and welded to avoid distortion or cracking at the seams. Mufflers are constructed from 409 Stainless steel.
Borla PRO XS Stainless - Mellow idle, deep semi-aggressive sound under load with a noticeable thump, no drone. The compact size is perfect for applications with limited space. Reversible designed for installation flexibility. High-quality T-304 austenitic stainless steel will never rust. 100% welded construction for strength. Free flow design for improved performance. High-Temperature continuous-filament fiber (CFF) acoustic material for sound control. Natural mill finish can be brushed or polished prior to installation.
Flowmaster Delta 44 - The Signature sound of the 40 series without the overpowering drone or in-cab resonating. Not available with stainless piping.
Jones Full Boar - Deep more aggressive tone, comparable to a Flowmaster 40 series Not available with stainless piping.
Cherry Bomb Pro - Deepest most aggressive tone of the 5 choices Not available with stainless piping.