{"product_id":"bmw-m3-m4-equal-length-z-pipe-midpipe-2021-2023-s58-g80-wstn-performance","title":"BMW M3\/M4 Equal-Length Z-Pipe Midpipe 2021+ (S58 G8X) | WSTN Performance","description":"\u003ch1\u003eEqual-length Z-pipe merge for the S58, tuned for a deeper note and cleaner turbo response.\u003c\/h1\u003e\n\u003cp\u003eWSTN Performance equal-length Z-pipe midpipe for BMW M3\/M4 G80\/G82\/G83 S58.\u003c\/p\u003e\n\u003ch1\u003eWhy Upgrade?\u003c\/h1\u003e\n\u003cp\u003e✓ \u003cstrong\u003eEqual-Length Z-Pipe Design:\u003c\/strong\u003e Double Z-pipe merge collector balances pulse timing across both banks for a smoother, deeper exhaust note and reduced backpressure.\u003c\/p\u003e\n\u003cp\u003e✓ \u003cstrong\u003eEvened-Out Pulses:\u003c\/strong\u003e Equal-length routing keeps exhaust pulses reaching the turbos in sync, sharpening throttle response over an unequal-length factory-style midpipe.\u003c\/p\u003e\n\u003cp\u003e✓ \u003cstrong\u003eDirect Bolt-On:\u003c\/strong\u003e Replaces the factory midpipe in the stock location, no cutting or modification required.\u003c\/p\u003e\n\u003cp\u003e✓ \u003cstrong\u003eHand Built to Order:\u003c\/strong\u003e Built to your order and quality checked before dispatch. Not pulled from shelf stock.\u003c\/p\u003e\n\u003ch1\u003eKey Features \u0026amp; Specs\u003c\/h1\u003e\n\u003cp\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e T304 stainless steel\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eConstruction:\u003c\/strong\u003e TIG-welded\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDesign:\u003c\/strong\u003e Equal-length double Z-pipe merge collector\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBranding:\u003c\/strong\u003e WSTN Performance logo\u003c\/p\u003e\n\u003ch1\u003eFitment \u0026amp; Compatibility\u003c\/h1\u003e\n\u003cp\u003e✓ BMW M3 (G80) \/ 2021+ \/ S58 3.0TT\u003c\/p\u003e\n\u003cp\u003e✓ BMW M4 (G82) \/ 2021+ \/ S58 3.0TT\u003c\/p\u003e\n\u003cp\u003e✓ BMW M4 Convertible (G83) \/ 2021+ \/ S58 3.0TT\u003c\/p\u003e\n\u003ch4\u003eCheck it fits your car\u003c\/h4\u003e\n\u003cp\u003eUse the fitment selector on this page to confirm your exact make, model, and year before ordering.\u003c\/p\u003e\n\u003ch1\u003eWhat's In the Box\u003c\/h1\u003e\n\u003cp\u003e✓ 1 x WSTN Performance Equal-Length Z-Pipe Midpipe with WSTN Performance logo\u003c\/p\u003e\n\u003ch1\u003eInstallation\u003c\/h1\u003e\n\u003cp\u003e\u003cstrong\u003eDifficulty:\u003c\/strong\u003e 2 of 5: bolt-on midpipe replacement\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTime:\u003c\/strong\u003e 1 to 2 Hours\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMounting:\u003c\/strong\u003e Bolts to factory flanges in the stock midpipe location, factory hangers reused.\u003c\/p\u003e\n\u003ch1\u003eWarranty \/ Shipping\u003c\/h1\u003e\n\u003ch3\u003eDISCLAIMER\u003c\/h3\u003e\n\u003cp\u003eWSTN Performance components are designed for track and competition use. To protect your build and ensure a perfect finish, we recommend professional installation by a certified specialist\/workshop. It is the buyer's responsibility to ensure modifications comply with local regulations.\u003c\/p\u003e\n\u003ch3\u003eWARRANTY\u003c\/h3\u003e\n\u003cp\u003eWe stand behind every product we sell. All WSTN Performance products carry a 1 year WSTN Performance warranty as standard. This covers any manufacturing defects, giving you total peace of mind that your upgrade is built to last. \u003ca href=\"\/zh-sg\/policies\/refund-policy\"\u003eView our full Warranty policy page here.\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eSHIPPING\u003c\/h3\u003e\n\u003cp\u003eWe offer tracked worldwide shipping on our entire catalogue. Products marked as \"Built to Order\" are completed in 3-5 weeks (check the product page as lead times may vary). \u003ca href=\"\/zh-sg\/policies\/shipping-policy\"\u003eView our full Shipping policy page here.\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eRETURNS\u003c\/h3\u003e\n\u003cp\u003eWe offer returns on all products if items are damaged or there is something wrong. If we ever make a mistake, we'll cover the return shipping to make it right. \u003ca href=\"\/zh-sg\/policies\/refund-policy\"\u003eView our full Return policy page here.\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eSUPPORT\u003c\/h3\u003e\n\u003cp\u003eNeed a hand with fitment, shipping, or a return? Our Perth-based team is here to help you get your build perfect.\u003cbr\u003eEmail: \u003ca href=\"mailto:contact@wstnperformance.com\"\u003econtact@wstnperformance.com\u003c\/a\u003e\u003c\/p\u003e","brand":"WSTN Performance","offers":[{"title":"Default Title","offer_id":51433705701622,"sku":"WSTN-BMW-S58-MPZ","price":2408.0,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0656\/2955\/2886\/files\/WSTN-bmw-g8x-s58-zpipe-midpipe-001.jpg?v=1785811433","url":"https:\/\/wstnperformance.com.au\/zh-sg\/products\/bmw-m3-m4-equal-length-z-pipe-midpipe-2021-2023-s58-g80-wstn-performance","provider":"wstnperformance","version":"1.0","type":"link"}