MagnaFlow Sys A/B Pontiac G8 GT/GXP 6.0L/6.2LThe MagnaFlow Pontiac G8 Street Series 16883 brings enhanced engine sound and dyno proven performance to your 6. 0L, 6. 2L 2008 2009 Pontiac G8 with a healthy helping of our deep, resonant signature exhaust note at Moderate exterior and Mild interior sound levels. Thanks to its durable, corrosion resistant stainless steel design, this Pontiac G8 exhaust system will handle whatever tarmac you decide to leave your mark on. This performance exhaust kit