Porsche 992.1 Carrera+ Exhaust System & Race Headers - Yonristic Performance

The 992.1 Carrera family wraps a brilliant 3.0-liter twin-turbo flat-six in an exhaust tuned for quiet compliance. That stock center canister and dense routing soak up character and add backpressure that blunts mid-range response. Our system deletes the muffler entirely and replaces it with a precision center X-pipe flanked by tuned side-branch (Helmholtz) resonators—a motorsport layout that cleans the tone and kills drone without stuffing the flow through packing material. The result is a factory+ soundtrack: crisp and exotic under load, composed and conversation-friendly at cruise. Design & Sound (what you see in the photos) True Center X-Pipe: The crossover sits right where both banks meet, equalizing pressure and timing pulses for a smoother, higher-clarity note and better scavenging as revs rise. Two Side-Branch Resonators (no mufflers): Those golden cylindrical branches are Helmholtz chambers tuned to cancel the dominant cabin-boom frequencies of the 992 (low-rpm, high-load). You get aggression outside, without the inside drone. Straight-Through Tail Sections with PSE Brackets: The rear tubes are unpacked and free-flowing and retain factory PSE valve actuator mounts, so you keep OEM valve behavior (or add our remote kit on non-PSE cars). Pack-free durability: With zero muffler packing to degrade, the tone stays consistent and heat management improves. Materials & Craftsmanship Available in AISI 304 stainless steel or heat-treated titanium (as pictured). 3D-scanned for exact underbody geometry; CNC-machined flanges and brackets. Mandrel bends maintain cross-section; back-purged TIG welds keep the internal surface smooth for velocity and crack resistance. Performance — realistic expectations On the 992.1 3.0TT, a high-flow, muffler-less X-pipe cat-back typically yields ~+8–12 whp / +8–12 lb-ft with noticeably sharper transient response (more with sport cats and a calibration). The big win here is sound quality + weight reduction versus the large OEM center canister. Fitment & Options Models: 2020–2024 992.1 Carrera / Carrera T / Carrera S / Carrera GTS / Carrera 4S (coupe & cabrio). Valve Control: Works plug-and-play with PSE valves; optional remote valve kit available for non-PSE cars. Tips: Quad finishes—polished, black chrome, burnt, or carbon fiber. Install: 100% bolt-on and reversible; uses factory mounts. Why this layout wins By replacing the center muffler with a pure X-pipe and using targeted side-branch cancellation instead of stuffing and baffles, this system gives the 992 the voice enthusiasts want—cleaner harmonics, quicker spool feel, and no highway drone—while shaving weight and retaining full OEM valve functionality.