Fitment Information Infiniti G37 Coupe (2008, 2009, 2010, 2011, 2012, 2013) RWD and AWD models Emissions Compliance This is a catback exhaust and does not alter, replace, or modify any emissions equipment. Specs & Features 19 WHP Increase (horsepower to the wheels) 304 Stainless Steel Construction Polished 304SS Dual Wall Tips Mild at Idle/Cruising - Aggressive Note Under Throttle Fits RWD & AWD Models Limited Lifetime Warranty when purchased through Redline360 (authorized dealer) Increase performance with the STILLEN Exhaust for Infiniti G37 / Q60 Coupe. This exhaust features a dual split rear exit exhaust. This STILLEN Infiniti G37 Exhaust has dual polished tips. This G37 Exhaust improves the sound and increases the performance of the vehicle. STILLEN has developed a new Infiniti G37 Cat Back Exhaust System. Using mandrel bent stainless steel, STILLEN is able to gain substantial horsepower and torque, giving your G37 the extra edge of performance. The same true-dual design that creates the most power of any performance exhaust on the 350Z and G35 is carried over to the G37. Crafted out of stainless steel you can be sure this exhaust will have a long service life with a lifetime warranty. Using precise mandrel bends, STILLEN optimizes the airflow of the exhaust and improves horsepower and torque across the entire RPM range.Power is the primary purpose of the STILLEN exhaust on the G37. However, sound is a close second. With an authoritative growl that has become easily recognized at the STILLEN trademark sound. This exhaust is mild at low RPM and comes alive when pressed into the higher RPM ranges. The free flowing mufflers keep the sound down when you want to be civilized but let you be heard when you want to let loose.