Yonristic Performance
Yonristic BMW Z4 M40i G29 Performance Exhaust System
This system upgrades the BMW Z4 M40i’s exhaust with a 3.5-inch midpipe and dual 2.75-inch pipes for improved flow, sound, and responsiveness.
USD 2299.0
- At the core of this system is a full 3.5-inch high-flow midpipe, engineered to eliminate factory choke points and significantly reduce backpressure.
- The result is a cleaner, more unified exhaust note with enhanced turbo spool and sharper throttle response across the entire RPM range.
- To complete the transformation, we developed a true quad-tip rear section, replacing the factory’s faux-quad appearance with an actual dual-branch layout.
- The system integrates seamlessly with the OEM valve control for daily comfort yet becomes noticeably more aggressive and expressive when opened.
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BMW Z4 M40i (B58) Performance Exhaust System — 3.5” Midpipe + Dual 2.75” Quad-Tip Design The BMW Z4 M40i delivers one of the most rewarding B58 driving experiences, but its factory exhaust setup leaves a lot of performance and emotion on the table. The stock system relies on a narrow mid-section and restrictive merging points, bottlenecking exhaust flow and muting the signature B58 tone that enthusiasts crave. Our redesigned system unleashes the engine’s true character with a dramatic increase in flow, a deeper and more aggressive sound profile, and improved responsiveness—especially for tuned
Quick answer: Yonristic BMW Z4 M40i G29 Performance Exhaust System Yonristic Performance Yonristic BMW Z4 M40i G29 Performance Exhaust System This system upgrades the BMW Z4 M40i’s exhaust with a 3.5-inch midpipe and dual 2.75-inch pipes for improved flow, sound, and responsiveness. USD 2299.0 At the core of this system is a full 3.5-inch high-flow midpipe, engineered to eliminate factory choke points…