Fitment Information Infiniti G37 Coupe RWD (2008, 2009, 2010, 2011, 2012, 2013) ONLY works with Infiniti G37 Coupe RWD Emissions Compliance This is a catback exhaust and does not alter, replace, or modify any emissions equipment. Legal only for use in competition vehicles which may never be registered, licensed, and/or used on public streets or highways; and also for use in other exempted vehicles. Specs & Features Increased W Brace Clearance: Mid section features a slight hump for extra space. Deep, Aggressive Tone: Creates a powerful and resonant exhaust sound. Lighter than Factory Exhaust: Offers performance boost with weight reduction. Precision TIG Welded: Ensures durable stainless steel construction. Brushed Stainless Finish: Adds a stylish, sleek look. Polished Tip and Muffler: Enhances vehicle aesthetics with a classy touch. 3" Exhaust with 4.5'' Muffler Tip: Balances optimal performance and assertive looks. What's Included? 1x Front Pipe 1x 3'' Muffler section with 4.5" tip 2x 2 Bolt 3" Exhaust gasket  1x 2 Bolt Flange Adapter 4x Bolts 4x Nuts  The ISR Performance Single GT exhaust is a high-quality y-pipe back system crafted from mandrel bent stainless steel, guaranteeing utmost reliability. Its unrestricted flow maximizes horsepower output, while maintaining a deep and aggressive exhaust tone. Whether for naturally aspirated or forced induction setups, this single GT exhaust offers an ideal blend of benefits. Additionally, it comes with a flange adapter to seamlessly fit the exhaust to your vehicle if a stock Y-pipe is used, ensuring a hassle-free installation process. Upgrade your vehicle's performance and sound with ISR Performance Single GT exhaust.Crafted from durable mandrel bent stainless steel, the ISR Performance Single GT exhaust is a top-tier y-pipe back system designed to enhance your vehicle's performance. Experience maximum horsepower gains and a captivatingly aggressive exhaust tone with its unrestricted flow. This single GT exhaust suits both naturally aspirated and forced induction applications flawlessly. For easy installation with a stock Y-pipe, the exhaust includes a convenient flange adapter. Elevate your driving experience with ISR Performance Single GT exhaust, the ultimate choice for superior performance and remarkable sound. Redline360 sells only new, genuine and authentic ISR products.