aFe Takeda 2-1/2in 304SS Cat-Back Exhaust Infiniti G37 08-13/Q60 14-15 V6-3.7 w/ Polished TipsaFe Takeda 2 1 2in 304SS Cat Back Exhaust Infiniti G37 08 13 Q60 14 15 V6 3. 7 w Polished Tips This unique dual transverse exhaust system is constructed form mandrel bent stainless steel and is TIG welded. This system was designed and engineered by tuning the perfect tube lengths; ultimately maximizing performance across the power band while maintaining a great tone. aFe carefully engineered this system to maintain distinct exhaust tones. All systems