{"product_id":"yonristic-porsche-mercedes-c300-w205-performance-cat-back-exhaust-system","title":"Yonristic Porsche Mercedes C300 W205 Performance Cat-Back Exhaust System","description":"\u003cp data-start=\"259\" data-end=\"356\"\u003eTrue 3-inch architecture. Remote-controlled valving. A complete transformation for the W205 C300.\u003c\/p\u003e\n\u003cp data-start=\"358\" data-end=\"987\"\u003eThe factory exhaust on the W205 C300 is designed around refinement and compliance, leaving significant flow and character on the table. Our cat-back system is engineered to unlock the car’s hidden personality while maintaining everyday usability. We run a full \u003cstrong data-start=\"619\" data-end=\"654\"\u003e3.0-inch mandrel-bent main pipe\u003c\/strong\u003e from the front connection all the way through the system, eliminating restrictive sections found in the OEM layout. The larger, constant-diameter flow path reduces backpressure, improves exhaust velocity, and allows the turbocharged four-cylinder to breathe freely, especially in the mid-range where the car spends most of its time.\u003c\/p\u003e\n\u003cp data-start=\"989\" data-end=\"1642\"\u003eAt the rear, the system splits into a dual-exit configuration feeding \u003cstrong data-start=\"1059\" data-end=\"1095\"\u003eelectronically actuated mufflers\u003c\/strong\u003e, giving you full control over the exhaust character. With the valves closed, exhaust gases are routed through the internal chambers to keep volume restrained and cruising smooth. Open the valves and the flow path becomes significantly more direct, sharpening throttle response and delivering a deeper, more aggressive tone that finally matches the car’s performance potential. Valve operation is handled exclusively through the \u003cstrong data-start=\"1524\" data-end=\"1560\"\u003eincluded wireless remote control\u003c\/strong\u003e, allowing instant switching between modes without relying on factory electronics.\u003c\/p\u003e\n\u003cp data-start=\"1644\" data-end=\"2104\"\u003eEvery component is built with precision and longevity in mind. The system is available in \u003cstrong data-start=\"1734\" data-end=\"1762\"\u003eAISI 304 stainless steel\u003c\/strong\u003e for excellent corrosion resistance and daily durability, or \u003cstrong data-start=\"1823\" data-end=\"1853\"\u003eTi-6Al-4V Grade 5 titanium\u003c\/strong\u003e for drivers seeking maximum weight savings and a more vivid, motorsport-inspired acoustic character. All sections are \u003cstrong data-start=\"1972\" data-end=\"1991\"\u003ehand TIG-welded\u003c\/strong\u003e, with smooth mandrel bends that preserve diameter through every curve for consistent flow and OEM-level fitment.\u003c\/p\u003e\n\u003cp data-start=\"2106\" data-end=\"2467\"\u003eVisually, the system is finished with \u003cstrong data-start=\"2144\" data-end=\"2166\"\u003equad 4.5-inch tips\u003c\/strong\u003e, designed to properly fill the rear diffuser and give the W205 a wider, more performance-oriented stance. Tip finishes include chrome, burnt, black, or carbon fiber to match the vehicle’s aesthetic. Installation is fully bolt-on, utilizing factory mounting points with no cutting or welding required.\u003c\/p\u003e\n\u003cp data-start=\"2469\" data-end=\"2728\"\u003eThe result is a C300 that cruises quietly when needed, opens up instantly on demand, and delivers improved response, stronger mid-range pull, and a refined yet aggressive sound signature — all engineered as a complete system rather than just a louder exhaust.\u003c\/p\u003e\n\u003ch2 id=\"tinymce_scroll_sign\"\u003eMercedes C300 Exhaust Upgrade for W205 Performance and Sound\u003c\/h2\u003e\n\u003cp data-start=\"148\" data-end=\"317\"\u003e\u003cstrong data-start=\"148\" data-end=\"159\"\u003eFitment\u003c\/strong\u003e\u003cbr data-start=\"159\" data-end=\"162\"\u003eMercedes-Benz \u003cstrong data-start=\"176\" data-end=\"191\"\u003eC300 (W205)\u003c\/strong\u003e\u003cbr data-start=\"191\" data-end=\"194\"\u003eModel Years: \u003cstrong data-start=\"207\" data-end=\"220\"\u003e2015–2021\u003c\/strong\u003e\u003cbr data-start=\"220\" data-end=\"223\"\u003eBody Styles: \u003cstrong data-start=\"236\" data-end=\"286\"\u003eSedan (W205) \/ Coupe (C205) \/ Cabriolet (A205)\u003c\/strong\u003e\u003cbr data-start=\"286\" data-end=\"289\"\u003eDrivetrain: \u003cstrong data-start=\"301\" data-end=\"317\"\u003eRWD \/ 4MATIC\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"319\" data-end=\"573\"\u003e\u003cstrong data-start=\"319\" data-end=\"336\"\u003eConfiguration\u003c\/strong\u003e\u003cbr data-start=\"336\" data-end=\"339\"\u003eCat-back exhaust system\u003cbr data-start=\"362\" data-end=\"365\"\u003eTrue \u003cstrong data-start=\"370\" data-end=\"407\"\u003e3.0-inch mandrel-bent main piping\u003c\/strong\u003e for improved flow and reduced backpressure\u003cbr data-start=\"450\" data-end=\"453\"\u003eDual rear muffler layout with electronically actuated valves\u003cbr data-start=\"513\" data-end=\"516\"\u003eStraight-through performance routing when valves are open\u003c\/p\u003e\n\u003cp data-start=\"575\" data-end=\"793\"\u003e\u003cstrong data-start=\"575\" data-end=\"592\"\u003eValve Control\u003c\/strong\u003e\u003cbr data-start=\"592\" data-end=\"595\"\u003eWireless \u003cstrong data-start=\"604\" data-end=\"638\"\u003eremote-controlled valve system\u003c\/strong\u003e (included)\u003cbr data-start=\"649\" data-end=\"652\"\u003eOn-demand valve open\/close modes for quiet cruising or aggressive sound\u003cbr data-start=\"723\" data-end=\"726\"\u003eIndependent system — \u003cstrong data-start=\"747\" data-end=\"793\"\u003edoes not require factory valve electronics\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"795\" data-end=\"1066\"\u003e\u003cstrong data-start=\"795\" data-end=\"808\"\u003eMaterials\u003c\/strong\u003e\u003cbr data-start=\"808\" data-end=\"811\"\u003eAISI \u003cstrong data-start=\"816\" data-end=\"839\"\u003e304 Stainless Steel\u003c\/strong\u003e – corrosion resistant and daily-driver durable\u003cbr data-start=\"886\" data-end=\"889\"\u003eOptional \u003cstrong data-start=\"898\" data-end=\"928\"\u003eTi-6Al-4V Grade 5 Titanium\u003c\/strong\u003e – significant weight savings + sharper acoustic character\u003cbr data-start=\"986\" data-end=\"989\"\u003eHand TIG-welded construction for strength, fitment accuracy, and clean finish\u003c\/p\u003e\n\u003cp data-start=\"1068\" data-end=\"1315\"\u003e\u003cstrong data-start=\"1068\" data-end=\"1089\"\u003ePerformance Gains\u003c\/strong\u003e \u003cem data-start=\"1090\" data-end=\"1144\"\u003e(realistic estimates for stock\/tune-ready W205 C300)\u003c\/em\u003e\u003cbr data-start=\"1144\" data-end=\"1147\"\u003eHorsepower Increase: \u003cstrong data-start=\"1168\" data-end=\"1181\"\u003e~+8–14 HP\u003c\/strong\u003e\u003cbr data-start=\"1181\" data-end=\"1184\"\u003eTorque Increase: \u003cstrong data-start=\"1201\" data-end=\"1218\"\u003e~+10–16 lb-ft\u003c\/strong\u003e\u003cbr data-start=\"1218\" data-end=\"1221\"\u003eFaster spool response and improved mid-range pull, especially when paired with a tune\/downpipe\u003c\/p\u003e\n\u003cp data-start=\"1519\" data-end=\"1751\"\u003e\u003cstrong data-start=\"1519\" data-end=\"1546\"\u003eManufacturing \u0026amp; Fitment\u003c\/strong\u003e\u003cbr data-start=\"1546\" data-end=\"1549\"\u003eMandrel bending maintains constant diameter through every radius\u003cbr data-start=\"1613\" data-end=\"1616\"\u003eCNC-cut flanges and brackets for OEM-style mounting and alignment\u003cbr data-start=\"1681\" data-end=\"1684\"\u003eDesigned to clear factory underbody bracing and suspension geometry\u003c\/p\u003e\n\u003cp data-start=\"1753\" data-end=\"1913\"\u003e\u003cstrong data-start=\"1753\" data-end=\"1769\"\u003eInstallation\u003c\/strong\u003e\u003cbr data-start=\"1769\" data-end=\"1772\"\u003e100% \u003cstrong data-start=\"1777\" data-end=\"1788\"\u003ebolt-on\u003c\/strong\u003e using factory mounting points\u003cbr data-start=\"1818\" data-end=\"1821\"\u003eNo cutting or welding required\u003cbr data-start=\"1851\" data-end=\"1854\"\u003eRemote valve module installs cleanly with included hardware\u003c\/p\u003e\n\u003ch3\u003eSportier Sound That Matches the C300 Character\u003c\/h3\u003e\n\u003cp\u003eThe Yonristic Porsche Mercedes C300 W205 Performance Cat-Back Exhaust System is designed for drivers who want a refined but more exciting driving experience. This Mercedes C300 exhaust delivers a deeper, stronger tone that gives the car a true performance feel without sounding overly harsh. It helps the W205 platform stand out with a more aggressive exhaust note under acceleration while still keeping daily driving comfortable. Whether you drive in the city or enjoy weekend highway runs, this system adds the sound character many owners want from a premium sports sedan.\u003c\/p\u003e\n\u003ch3\u003eImproved Exhaust Flow for a Better Driving Feel\u003c\/h3\u003e\n\u003cp\u003eBuilt for performance-minded Mercedes owners, this cat-back system supports smoother exhaust flow compared with the stock setup. By reducing restriction after the catalytic section, the Mercedes C300 exhaust can help the engine breathe more efficiently and respond with a livelier feel. The result is a more engaging drive that pairs well with the C300’s turbocharged power delivery. For drivers who value both sound and performance, this upgrade offers a balanced solution. It enhances the vehicle’s presence while keeping the original engineering spirit of the Mercedes-Benz W205 platform intact.\u003c\/p\u003e\n\u003ch3\u003ePremium Fitment for the W205 Platform\u003c\/h3\u003e\n\u003cp\u003eThe Yonristic performance exhaust is tailored for the Mercedes-Benz C300 W205, helping ensure a proper fit and a clean installation. A well-matched exhaust system is important for both appearance and function, and this design is made to suit the vehicle’s layout with precision. The cat-back configuration replaces the rear section of the exhaust, making it a practical upgrade for enthusiasts who want noticeable results without major modifications. With its performance-focused construction, the system gives the C300 a more refined and sporty finish that complements the car’s factory styling and premium image.\u003c\/p\u003e\n\u003ch3\u003eA Smart Upgrade for Daily Use and Enthusiast Driving\u003c\/h3\u003e\n\u003cp\u003eIf you are looking for a Mercedes C300 exhaust that improves both style and driving enjoyment, this Yonristic cat-back system is a strong choice. It is ideal for owners who want a meaningful upgrade that feels premium, sounds better, and adds more personality to the car. The system is suitable for everyday driving, yet it still delivers the sporty edge enthusiasts appreciate. From the first start-up to full-throttle acceleration, it creates a more exciting experience behind the wheel. For W205 C300 drivers who want quality and performance in one package, this exhaust system stands out as a smart upgrade.\u003c\/p\u003e","brand":"Yonristic Performance","offers":[{"title":"AISI304 Stainless Steel \/ Sedan","offer_id":46034887540970,"sku":"YR-0560-YON-AIS","price":2399.0,"currency_code":"USD","in_stock":true},{"title":"AISI304 Stainless Steel \/ Coupe","offer_id":46051962781930,"sku":"YR-2744-YON-AIS","price":2399.0,"currency_code":"USD","in_stock":true},{"title":"AISI304 Stainless Steel \/ Cabriolet","offer_id":46051962814698,"sku":"YR-8739-YON-AIS","price":2399.0,"currency_code":"USD","in_stock":true},{"title":"4AL-6V Titanium \/ Sedan","offer_id":46051962847466,"sku":"YR-4113-YON-4AL","price":3199.0,"currency_code":"USD","in_stock":true},{"title":"4AL-6V Titanium \/ Coupe","offer_id":46051962880234,"sku":"YR-5420-YON-4AL","price":3199.0,"currency_code":"USD","in_stock":true},{"title":"4AL-6V Titanium \/ Cabriolet","offer_id":46051962913002,"sku":"YR-3064-YON-4AL","price":3199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0477\/0427\/7142\/files\/60_b8c93ab8-013c-4493-a395-d58616ea6466.jpg?v=1778282228","url":"https:\/\/www.k2-industries.com\/en-xk\/products\/yonristic-porsche-mercedes-c300-w205-performance-cat-back-exhaust-system","provider":"K2 Industries","version":"1.0","type":"link"}