{"product_id":"vctr-performance-mercedes-amg-a45-cla45-gla45-w176-downpipe-kit","title":"VCTR Performance Mercedes-AMG A45\/CLA45\/GLA45 W176 Downpipe Kit","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe A45\/CLA45\/GLA45 AMG's factory downpipe carries a restrictive catalyst section that limits exhaust flow from the M133 turbo. This stainless steel downpipe replaces it with a higher-flow catalyst, improving turbo response and exhaust flow.\u003c\/p\u003e\n\u003ch3\u003eWhy Upgrade?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-flow catalyst significantly less restrictive than the factory unit\u003c\/li\u003e\n\u003cli\u003eImproved exhaust flow and turbo response\u003c\/li\u003e\n\u003cli\u003eSS304 stainless steel construction, 3.5 inch diameter\u003c\/li\u003e\n\u003cli\u003eDirect OEM replacement installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBuilt for the Drive, Not Just the Dyno\u003c\/h3\u003e\n\u003cp\u003eThe factory downpipe on the M133 is sized to pass certification, not to flow freely — it's the first real restriction the exhaust gases meet after the turbo. This kit clears it while keeping a real catalyst in place, so the car stays road-legal and gains the turbo response it's been holding back the whole time.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eCompatible with:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMercedes-AMG A45 W176 M133 (2013–2018)\u003c\/li\u003e\n\u003cli\u003eMercedes-AMG CLA45 C117 M133 (2013–2018)\u003c\/li\u003e\n\u003cli\u003eMercedes-AMG GLA45 X156 M133 (2014–2018)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e the supplier's listing references the M139 engine, but the W176\/C117\/X156 chassis range uses the M133 engine — M139 is the later-generation engine found in the W177\/C118\/H247 successor models. We've listed this against the M133-equipped chassis based on standard platform data. Verify your specific model and year before ordering, or message us your rego\/VIN and we'll confirm it for you.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eStainless steel downpipe assembly\u003c\/li\u003e\n\u003cli\u003eSupplied gaskets and installation hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMaterial: SS304 Stainless Steel\u003c\/li\u003e\n\u003cli\u003eDiameter: 3.5 inch\u003c\/li\u003e\n\u003cli\u003eCatalyst: High-flow (200 cell)\u003c\/li\u003e\n\u003cli\u003eEngine: M133 2.0T\u003c\/li\u003e\n\u003cli\u003eFitment: OEM direct replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eShipping \u0026amp; Fit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eConfirmed fitment by chassis and engine code before you buy, not after\u003c\/li\u003e\n\u003cli\u003eWorldwide shipping, cost calculated at checkout for your destination\u003c\/li\u003e\n\u003cli\u003eAustralian Consumer Law returns on all unused, unfitted parts\u003c\/li\u003e\n\u003cli\u003eQuestions about your specific build? Message us — real people, real platform knowledge\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDelivery \u0026amp; Support\u003c\/h3\u003e\n\u003cp\u003eYour order is carefully inspected before dispatch and backed by VCTR Performance support. For product availability, shipping estimates or fitment assistance, contact our team.\u003c\/p\u003e","brand":"VCTR","offers":[{"title":"VCTR Performance \/ VCTR Performance","offer_id":52676494033216,"sku":"100007928:-1#Silver;191284006:-1#78*38*18","price":1039.99,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0985\/1152\/0064\/files\/ChatGPTImageJun25_2026_12_26_33PM.png?v=1782354465","url":"https:\/\/shop.vctrperformance.com\/products\/vctr-performance-mercedes-amg-a45-cla45-gla45-w176-downpipe-kit","provider":"VCTR","version":"1.0","type":"link"}