Invidia Q300 Valved Cat Back Exhaust w/Straight Cut Ti TipsThe New Release Q300 Cat back Exhaust to suit the Pocket Rocket Hyundai i20N. Comes with factory style housing to suit the OEM Exhaust Valve. INVIDIA Q300 CAT BACK EXHAUST Tuned Muffler For optimal flow and enhanced sound Invidia's Q300 tuned muffler systems provide a quieter exhaust sound than both the R400 and N1 Invidia Exhausts. While still keeping volumes in check, their high flow design ensures efficient exhaust flow for optimum engine