{"product_id":"racing-lab-exhaust-for-g80-g82-g83-m3-m4-gt4-z-pipe","title":"RACING LAB EXHAUST FOR G80\/G82\/G83 M3\/M4 GT4 Z PIPE","description":"\u003cp\u003eThe RacingLab GT4 Z Pipe is an advanced upgrade based on the GT4 mid-pipe. It is engineered to optimise exhaust pulse interaction in the S58 twin-turbo platform, delivering improved performance and a cleaner exhaust note.\u003c\/p\u003e\n\u003cp\u003eDesigned to improve scavenging efficiency, turbo response, and reduce backpressure, the RacingLab GT4 Z Pipe enhances both performance and exhaust tone. Ideal for enthusiasts seeking a noticeable power and sound upgrade on their Stage 2 or higher builds.\u003c\/p\u003e\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e25–30% improvement in scavenging efficiency, stronger negative pressure than traditional X-pipes\u003c\/li\u003e\n\u003cli\u003e10–15% faster turbo response, quicker boost build and sharper throttle response\u003c\/li\u003e\n\u003cli\u003e8–12% reduction in backpressure at high RPM, delivering more stable power\u003c\/li\u003e\n\u003cli\u003e10–20hp gains depending on setup, especially noticeable on Stage 2 or higher builds\u003c\/li\u003e\n\u003cli\u003eCleaner and more refined exhaust note, reduced turbo interference with sharper high-frequency tone\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatible Vehicles\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBMW G80 G81 M3\u003c\/li\u003e\n\u003cli\u003eBMW G82 \/ G83 M4\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Racing Lab","offers":[{"title":"Default Title","offer_id":46903944642713,"sku":null,"price":2199.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/0651\/8425\/files\/20260408102943_44_66.jpg?v=1776043364","url":"https:\/\/racinglabshop.com\/products\/racing-lab-exhaust-for-g80-g82-g83-m3-m4-gt4-z-pipe","provider":"Racing Lab","version":"1.0","type":"link"}