{"product_id":"active-autowerke-valved-rear-axle-back-exhaust-bmw-m340i-m440i-g2x-g3x","title":"Active Autowerke Valved Rear Axle-Back Exhaust – BMW M340i \/ M440i (G2X \/ G3X, B58)","description":"\u003cstyle\u003e.sl-desc h2{font-size:1.15em;letter-spacing:.06em;text-transform:uppercase;border-bottom:2px solid #111;padding-bottom:6px;margin:1.6em 0 .7em}.sl-desc h3{font-size:1em;margin:1.2em 0 .4em}.sl-desc ul{margin:0 0 1em 1.2em}.sl-desc li{margin:.25em 0}.va-table{width:100%;border-collapse:collapse;margin:.5em 0 1em;font-size:.95em}.va-table th{text-align:left;padding:10px 8px;border-bottom:2px solid #333;white-space:nowrap}.va-table td{padding:8px;border-bottom:1px solid #e5e5e5;vertical-align:top}.sl-note{font-size:.9em;color:#555;margin:.4em 0 1em}\u003c\/style\u003e\u003cdiv class=\"sl-desc\"\u003e\n\u003ch2\u003eOVERVIEW\u003c\/h2\u003e\n\u003cp\u003eThe Active Autowerke valved rear axle-back exhaust for the G-chassis M340i and M440i reuses the factory valve actuator for OEM-style valve control and exits through quad tips. It is built from 304 stainless steel in the USA and deepens the tone over stock while keeping full drivability.\u003c\/p\u003e\n\u003cp\u003eTips are offered in stainless brushed, matte black, carbon fiber, and carbon over black.\u003c\/p\u003e\n\u003ch2\u003eSPECS\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eValved rear axle-back; reuses the OEM valve actuator\u003c\/li\u003e\n\u003cli\u003e304 stainless steel, made in the USA\u003c\/li\u003e\n\u003cli\u003eEach unit test-fit on Active Autowerke's M340i\/M440i exhaust fixture\u003c\/li\u003e\n\u003cli\u003eQuad exhaust tips (finish varies by option)\u003c\/li\u003e\n\u003cli\u003eNot a catalytic component\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePARTS INCLUDED\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eRear axle-back exhaust section with quad tips\u003c\/li\u003e\n\u003cli\u003eConnecting hardware for the mid-pipe\u003c\/li\u003e\n\u003cli\u003eAll necessary installation hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTECH RESOURCES\u003c\/h2\u003e\n\u003ch3\u003eAdditional Parts Required\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNone required.\u003c\/strong\u003e Installed alone this exhaust requires cutting the factory mid-pipes.\u003c\/li\u003e\n\u003cli\u003eOptional: pair with the \u003ca href=\"\/products\/active-autowerke-midpipe-active-brace-bmw-m340i-m440i-g2x-g3x\"\u003eActive Autowerke Mid-Pipe w\/ Active Brace (M340i \/ M440i)\u003c\/a\u003e to avoid cutting.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.youtube.com\/watch?v=57Ta3uSB2b8\"\u003eActive Autowerke — G2X Exhaust Installation Video (YouTube)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003eProfessional installation is recommended. Speed Logic offers professional installation — \u003ca href=\"\/pages\/contact-us\"\u003econtact us to schedule an install\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTip finish is selected at the variant level.\u003c\/li\u003e\n\u003cli\u003eOn 2025+ (B58N) cars the volume increase is smaller due to the GPF in the downpipe.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePART NUMBER\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e11-089\u003c\/strong\u003e — stainless brushed tips\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e11-089B\u003c\/strong\u003e — matte black tips\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e11-089C\u003c\/strong\u003e — carbon fiber tips\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eVEHICLE APPLICATIONS\u003c\/h2\u003e\n\u003ctable class=\"va-table\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eChassis\u003c\/th\u003e\n\u003cth\u003eEngine\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM340i\u003c\/td\u003e\n\u003ctd\u003eG20\u003c\/td\u003e\n\u003ctd\u003eB58 3.0L Turbo I6\u003c\/td\u003e\n\u003ctd\u003e2020+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM440i\u003c\/td\u003e\n\u003ctd\u003eG22 \/ G23 \/ G26\u003c\/td\u003e\n\u003ctd\u003eB58 3.0L Turbo I6\u003c\/td\u003e\n\u003ctd\u003e2021+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"Active Autowerke","offers":[{"title":"Stainless Brushed","offer_id":52563476807960,"sku":"11-089","price":1999.0,"currency_code":"USD","in_stock":true},{"title":"Matte Black","offer_id":52563476873496,"sku":"11-089","price":1999.0,"currency_code":"USD","in_stock":true},{"title":"Carbon Fiber","offer_id":52563476906264,"sku":"11-089","price":2399.0,"currency_code":"USD","in_stock":true},{"title":"Carbon over Black","offer_id":52563476939032,"sku":"11-089","price":2399.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2307\/8117\/files\/G340-440reara.jpg?v=1787607149","url":"https:\/\/speedlogicauto.com\/products\/active-autowerke-valved-rear-axle-back-exhaust-bmw-m340i-m440i-g2x-g3x","provider":"SPEED LOGIC","version":"1.0","type":"link"}