{"product_id":"axle-back-exhaust-for-nissan-z-2023-2025-3-0l","title":"Axle Back Exhaust for Nissan Z (2023-2025) 3.0L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eHigh-Flow Axle Back Exhaust for 2023-2025 Nissan Z (RZ34)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The Axle Back Exhaust replaces the restrictive factory rear muffler on the 2023-2025 Nissan Z to reduce exhaust backpressure and deliver an aggressive, straight-through acoustic profile.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Nissan Z Exhaust Bottleneck\u003c\/h3\u003e\n\u003cp\u003eThe factory exhaust routing on the \u003cstrong\u003eRZ34\u003c\/strong\u003e platform incorporates heavy, chambered rear silencers packed with sound-deadening baffles and internal restrictive routing. While effective at dampening NVH for standard highway commuting, this OEM layout introduces parasitic exhaust backpressure behind the secondary catalytic converters and mid-pipe. For the twin-turbocharged \u003cstrong\u003eVR30DDTT\u003c\/strong\u003e powerplant, excessive backpressure downstream of the turbine housings slows spool recovery, retains radiant exhaust gas heat inside the chassis cavities, and severely mutes the engine's natural exhaust frequency under load.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eEngineered as a direct bolt-on upgrade, this muffler-delete axle-back setup replaces the bulky OEM rear canisters with mandrel-bent \u003cstrong\u003e304 stainless steel\u003c\/strong\u003e tubing. Operating on an unrestricted, straight-through design, it optimizes acoustic gas velocity and eliminates turbulent expansion inside restrictive muffler chambers. The TIG-welded assembly features precision flanges, integrated factory-style hanger prongs for rigid retention, and dual polished exhaust tips that align precisely within the OEM rear bumper cutouts. This upgrade drops significant dead weight off the rear overhang while providing a sharp, high-volume exhaust pulse without disturbing emissions hardware.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePair of axle-back exhaust pipes with tips\u003c\/li\u003e\n  \u003cli\u003eMounting hardware as included with the listing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; margin-bottom: 20px;\"\u003e\n  \u003ctable width=\"100%\" style=\"border-collapse: collapse; border: 1px solid #e0e0e0; font-size: 14px; min-width: 300px;\"\u003e\n    \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eFitment\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e2023-2025 Nissan Z\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eEngine \/ Chassis\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e\n\u003cstrong\u003eVR30DDTT\u003c\/strong\u003e \/ \u003cstrong\u003eRZ34\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eStock Output\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e400 hp \/ 350 lb-ft\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eReplaces OEM Part #\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e\u003cstrong\u003eB-EXT-MD075\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2023 Nissan Z 3.0L V6 Twin Turbo (RZ34)\u003c\/li\u003e\n  \u003cli\u003e2024 Nissan Z 3.0L V6 Twin Turbo (RZ34)\u003c\/li\u003e\n  \u003cli\u003e2025 Nissan Z 3.0L V6 Twin Turbo (RZ34)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions \u0026amp; Fitment Warnings\u003c\/h3\u003e\n\u003ch4\u003eDoes this fit the RZ34 Z?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 2023-2025 Nissan Z equipped with the \u003cstrong\u003eVR30DDTT\u003c\/strong\u003e engine. \u003cstrong\u003eThis kit does not fit non-3.0L engines or older 370Z (Z34) chassis configurations without modification.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch4\u003eIs an ECU tune required after installing this axle-back system?\u003c\/h4\u003e\n\u003cp\u003eNo, an ECU tune is not required because this system installs downstream of all catalytic converters and O2 sensors without triggering a check engine light.\u003c\/p\u003e\n\n\u003ch3\u003eThe Nissan Performance Standard\u003c\/h3\u003e\n\u003cp\u003eDesigned for pure JDM track character, this bolt-on exhaust modification sheds dead weight while giving the twin-turbo V6 platform the raw, uninhibited acoustic presence it demands.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":68046634090744,"sku":"DS-EFKMV7Y4D","price":402.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/axle-back-exhaust-for-nissan-z-2023-2025-3-0l-1.jpg?v=1794267431","url":"https:\/\/performancechiptuning.com\/de\/products\/axle-back-exhaust-for-nissan-z-2023-2025-3-0l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}