Diamond Eye 4" Stainless Steel Cat Back Single 94-97 7.3L Ford Powerstroke PF-A7SPBD254 Your LB7 Duramax engine produces

Your LB7 Duramax engine produces high exhaust temperatures and pressure that can eventually cause factory up pipes to fail

In-house machining incorporates integrated counterweights which is then balanced to better than OE specifications

making these corrosion resistant

Multi-Directional Vane Technology:

Sport Econ (+80rwhp)

Diamond Eye 4" Stainless Steel Cat Back Single 94-97 7.3L Ford Powerstroke PF-A7SPBD254 Your LB7 Duramax engine producesUpgrade the exhaust in your OBS Ford Powerstroke with this complete CAT back 409 Stainless Steel Exhaust Kit from Diamond Eye. This kit is avialable with or without a Diamond Eye muffler, and your choice of either a stainless steel or black powdercoated exhaust tip. DETAILS OF EACH MUFFLER ELIMINATOR PIPE OPTION: Diamond Eye Muffler: This is the standard muffler that comes in the kits. Featuring a stainless steel construction and perforated core, you