MagnaFlow Sys C/B 06 Monte Carlo SS 5.3L V8The MagnaFlow Chevrolet Monte Carlo Street Series 16727 brings out the personality of your 5. 3L 2006 2007 Chevrolet Monte Carlo with our signature resonant, powerful engine tone and dyno proven performance. Thanks to its fast flowing, mandrel bent 2. 5in. main piping and 3 Straight Through mufflers ending in a Dual Split Rear exit with 4in. Polished Welded Double Wall Angle Cut Rolled Edge Resonated tips, this Chevrolet Monte Carlo exhaust kit has