{"product_id":"mercedes-benz-w177-c118-h247-x247-a35-cla35-gla35-glb35-catless-downpipe-with-heatshield","title":"Mercedes Benz W177\/C118\/H247\/X247, A35\/CLA35\/GLA35\/GLB35 Catless Downpipe With Heatshield","description":"\u003cp\u003eThe most direct way to unlock the M260. This catless performance downpipe removes the factory catalytic converter entirely on the Mercedes-AMG A35, CLA35, GLA35 and GLB35, replacing it with a smooth mandrel-bent stainless pipe under full woven heat shielding.\u003c\/p\u003e\n\u003cp\u003eNothing else in the 35-series exhaust costs as much flow as the standard downpipe. Taking the catalyst out of the equation is the single largest reduction in backpressure available to the engine, and it is where the biggest gains from a Stage 2 tune come from.\u003c\/p\u003e\n\u003cp\u003eManufactured from T304 stainless steel with mandrel bends and precision TIG welding throughout, wrapped in woven heat shielding, with the factory sensor bungs retained.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003ch3\u003eFull Catalyst Delete\u003c\/h3\u003e\n\u003cp\u003eThe greatest single restriction in the system removed, for maximum exhaust flow and the largest gain a downpipe can deliver.\u003c\/p\u003e\n\u003ch3\u003eFull Woven Heat Shielding\u003c\/h3\u003e\n\u003cp\u003eWrapped over the length of the pipe, reducing radiant heat into the engine bay and protecting the components packed around it.\u003c\/p\u003e\n\u003ch3\u003eFactory Sensor Bungs Retained\u003c\/h3\u003e\n\u003cp\u003eThe oxygen sensors plug straight back into their original positions.\u003c\/p\u003e\n\u003ch3\u003eT304 Stainless Steel Construction\u003c\/h3\u003e\n\u003cp\u003eHigh-grade, corrosion-resistant material built to withstand the exhaust gas temperatures a tuned M260 produces.\u003c\/p\u003e\n\u003ch3\u003eSmooth Mandrel Bends\u003c\/h3\u003e\n\u003cp\u003eConsistent bore through every bend, so the gain is in flow rather than just in volume.\u003c\/p\u003e\n\u003ch3\u003eDirect Bolt-On Fitment\u003c\/h3\u003e\n\u003cp\u003eMounts to the factory turbo flange and mid section using the original mounting points, with no cutting or fabrication.\u003c\/p\u003e\n\u003ch2\u003ePerformance Benefits\u003c\/h2\u003e\n\u003cp\u003e The largest power and torque gain available from a single exhaust part when tuned\u003cbr\u003e Markedly faster turbo spool\u003cbr\u003e Sharper throttle response\u003cbr\u003e A deeper, louder and more aggressive exhaust note\u003cbr\u003e Maximum reduction in backpressure\u003c\/p\u003e\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\n\u003cp\u003eMercedes-AMG A35 (W177, 2019-2025)\u003cbr\u003eMercedes-AMG CLA35 (C118, 2020-2025)\u003cbr\u003eMercedes-AMG GLA35 (H247, 2020-2025)\u003cbr\u003eMercedes-AMG GLB35 (X247, 2020-2025)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2.0L Turbocharged M260 Engine\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAll four cars share the same M260 engine and the same exhaust layout, which is why one downpipe covers the range. This part is for the 35-series cars. The A45, CLA45 and GLA45 run the hand-built M139 and use a different downpipe - see our W177\/C118 A45\/CLA45 listings for those.\u003c\/p\u003e\u003ch2\u003ePlease Note\u003c\/h2\u003e\n\u003cp\u003eRemoving a catalytic converter is not legal for road use in Australia. This part is intended for off-road, track and motorsport use only, and it is the owner's responsibility to comply with the regulations in their state.\u003c\/p\u003e\n\u003cp\u003eA catless downpipe will trigger a check engine light without a supporting ECU tune. An ECU tune is required, and professional installation is recommended.\u003c\/p\u003e\u003ch2\u003eWhy Choose Proven Performance Parts\u003c\/h2\u003e\n\u003cp\u003eWe specialise in high-performance parts for European vehicles - including Volkswagen GTI \u0026amp; R models, Audi S\/RS platforms, and Mercedes-AMG applications. Every product we offer is carefully selected for its quality, fitment, and real-world performance - tested by enthusiasts, for enthusiasts.\u003c\/p\u003e","brand":"Proven Performance Parts","offers":[{"title":"Mercedes-AMG W177 A35 (2019-2025)","offer_id":52881983242522,"sku":null,"price":890.0,"currency_code":"AUD","in_stock":true},{"title":"Mercedes-AMG C118 CLA35 (2020-2025)","offer_id":52881983275290,"sku":null,"price":890.0,"currency_code":"AUD","in_stock":true},{"title":"Mercedes-AMG H247 GLA35 (2020-2025)","offer_id":52881983308058,"sku":null,"price":890.0,"currency_code":"AUD","in_stock":true},{"title":"Mercedes-AMG X247 GLB35 (2020-2025)","offer_id":52881983340826,"sku":null,"price":890.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/1177\/4490\/files\/1_55d0a18f-21c0-44ed-b051-6f3db14665a9.png?v=1789460050","url":"https:\/\/provenperformanceparts.com.au\/products\/mercedes-benz-w177-c118-h247-x247-a35-cla35-gla35-glb35-catless-downpipe-with-heatshield","provider":"Proven Performance Parts","version":"1.0","type":"link"}