Model Number : MR-CBS-W204V6-SRT-M + MR-CBS-W204V6-SRT-R Megan Racing OE-RS series cat backs are based on factory style, with bigger piping, OEM style polished mufflers and quiet sound. The cat back system is made stainless steel. All piping are mandrel bent with a high polished finish. Exhaust system comes with all the necessary hardware needed for a direct bolt on installation. Improves HP with minimal noise. Being constructed of T-304 Stainless Steel this durable piece will easily handle the elements and offer you years of performance. Backed with our one-year manufacturers warranty, you will rest assured with your sound investment. SPECIFICATIONS & FEATURES: - Mercedes Benz C-Class C300/C350 V6 Sedan 2008-14 Stainless Roll Tips (Do not fit C-Class Coupe) - 4.5" x 3.5" Dual Stainless Roll Oval Tips - 2.5" Piping, 2.4" ID - Full slip on design - Decibel Reading: Idle: 63 db 2000 RPM: 89 db 3000 RPM: 95 db 4000 RPM: 99 db