<meta charset="utf-8"> <p>The ARK R-Spec Hi-Flow Cats are race spec designed free flowing catalytic converters to increase your horsepower and torque. Each Hi-Flow Cat is constructed with polished SUS304 stainless steel, thicker piping, and two O2 bungs. These Hi-Flow Cats utilize our Helmholtz style reservoir chamber technology to maintain smooth flow, a deeper tone with reduced drone, hiss, and rasp. ARK R-Spec Hi-Flow Cats are the perfect combination with any exhaust system you may have. </p> <p><br><b></b></p> <p><b>Features:</b></p> <ul> <li>All Bolt-on System </li> <li>SUS304 Stainless Steel Construction </li> <li>Fully Polished Finish </li> <li>CNC Machined Flanges </li> <li>High Flow Catalytic Converters </li> <li>ARK Signature Helmholtz Chamber </li> <li>Dyno Proven HP and TQ!</li> </ul> <p> </p> <p><strong>Vehicle Application</strong></p> <ul> <li>2007-2009 Infiniti G35 Sedan RWD (V36)</li> <li>2008-2016 Infiniti G37/Q60 Coupe RWD (V36)</li> <li>2008-2016 Infiniti G37/Q40 Sedan RWD (V36)</li> <li>2013+ Infiniti Q50 RWD 3.7 and Hybrid</li> <li>2007-2008 Nissan 350Z (Z33)</li> <li>2009+ Nissan 370Z (Z34)</li> </ul> <meta charset="utf-8"> <p> </p> <p><strong>Note</strong></p> <ul> <li>The R-Spec Hi-Flow Cats are recommended for off-road use only. These only fit RWD models that are a manual transmission.</li> <li>Modifications by a muffler shop to the pipes required for AWD models. </li> <li>FOR OFF-ROAD USE ONLY, MAY GET A CEL</li> </ul>