Description
The Fabspeed Supercup Race Exhaust System is a high-performance catback exhaust engineered for Porsche 981 Boxster and Cayman (2013–2016) models that prioritizes maximum sound and power legally available from a bolt-on upgrade. Designed with a straight-through flow path and TRUE X-pipe, this exhaust produces a louder, more aggressive flat-six soundtrack and measurable horsepower and torque gains over stock while reducing rear-end weight. Featuring premium CNC mandrel-bent T304 stainless steel construction and high-quality tips in your choice of finish, it transforms both the auditory and dynamic experience of your 981 chassis on the street and track.
Fitment Notes
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Fits Porsche 981 Boxster and 981 Boxster S (2013–2016)
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Fits Porsche 981 Cayman and 981 Cayman S (2013–2016)
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Catback system — replaces factory rear exhaust section (muffler back)
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Direct bolt-on installation — no cutting or welding required
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Upgraded tip options in multiple finishes
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Loud, race-oriented sound profile — more aggressive than Fabspeed’s Maxflo system
Included
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Mandrel-bent T304 stainless steel Supercup catback exhaust assembly
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TRUE X-pipe for optimized exhaust scavenging
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Choice of deluxe dual-style tips in polished, satin black, or carbon fiber finish
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Two 2.25″ resonators to control weight and support high-RPM flow
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Mounting hardware for direct fitment
Product Specs
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Material: 14–16 ga CNC mandrel-bent T304 stainless steel for strength and corrosion resistance
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Exhaust design: TRUE X-pipe with straight-through flow path
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Power gains: ~+15 whp and +19 ft-lbs at ~4000 rpm (peak ~+11 whp and +11 ft-lbs)
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Weight savings: ~-15 lbs (-7 kg) versus OEM rear system
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Resonators: Two 2.25″ units for optimized balance of sound and flow
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Tip finish choices: polished stainless, satin black, or carbon fiber
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Installation: Bolt-on, no cutting/welding
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Warranty: Fabspeed Lifetime Warranty on performance products
Product Features
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Maximum exhaust sound level: Significantly louder, race-inspired flat-six tone designed to be more aggressive than Fabspeed’s Maxflo exhaust.
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Dyno-proven gains: Engineered for optimized flow and backpressure reduction, showing measurable horsepower and torque improvements.
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TRUE X-pipe design: Improves exhaust scavenging and primary pulse tuning for stronger mid-range performance.
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Weight reduction: Lighter than stock rear exhaust section for improved handling responsiveness and reduced unsprung mass.
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Premium tip finish options: Multiple deluxe tip finishes allow visual customization to suit street or show standards.
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Durable, long-lasting build: T304 stainless and precision mandrel bends resist corrosion and thermal fatigue for street and track use.
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