Fabspeed Porsche 981 Cayman GT4 Spyder Valvetronic Exhaust System

SKU: POR.981GT4.VLVCF

Fabspeed Porsche 981 Cayman GT4 Spyder Valvetronic Exhaust System 2015-2016

Fabspeed Valvetronic Exhaust System delivers cat-back performance for 2015-2016 Porsche 981 Cayman GT4 and Boxster Spyder vehicles. This system bolts onto OEM catalytic converters and provides dual valve positions for quiet street driving or aggressive track roar with burble and backfires. Paired with Fabspeed Race Headers it unlocks 420HP eliminates torque dip and improves low-end power across the rev range.

Key Features

• Power Gains: Achieves 420HP with Fabspeed Race Headers or 408HP with Sport Headers dyno-tested power increases through redline no torque dip at 3500RPM enhanced street drivability
• Sound Profile: Valves closed for civil neighborhood tones valves open for GT4 roar with burbles backfires and downshift barks anti-resonance technology for smooth drive
• Construction: 14-16ga T304L stainless steel 2.5-inch mandrel-bent tubing high-flow X-pipe weighs 7lbs less than OEM muffler
• Valves: Helical Aerospace UK valves same as Porsche GT3 GT3RS silica carbide never-fail design unlike cheap alternatives
• Finish Options: Matte carbon fiber tips or single-wall race tips direct bolt-on no cutting welding 3D scanned CAD designed dyno track and Autobahn validated

Product Notes

• For vehicles without factory Porsche Sport Exhaust (PSE) select Fabspeed Valve Controller Kit for valve operation control
• Check center console for PSE button with exhaust icon to confirm factory valves
• Ships in protective custom box dimensions 48 x 18 x 12 inches

Installation Notes

• Professional installation recommended.
• Valve Controller Kit required for non-PSE vehicles includes Porsche Homelink connection instructions
• Bolts directly to OEM catalytic converters all hardware included

This Part Fits

Why Choose Fabspeed?

• Backed by independent dyno tests from Porsche engine builders and race teams
• 3D laser scanned CAD designed and validated on street track and Autobahn
• Exclusive US importer of Helical Aerospace valves used by Porsche McLaren Ferrari hypercars

Frequently Asked Questions

• Q: Does my car have PSE for valve control?
  A: Check center console for exhaust tip icon button if present select PSE option if absent choose standard with Fabspeed Valve Controller Kit
• Q: What material is used?
  A: T304L stainless steel 14-16 gauge tubing for durability paired with Helical UK valves resistant to melting or failure
• Q: What about warranty and install?
  A: Lifetime warranty on workmanship direct bolt-on install professional recommended Fabspeed products dyno proven by race teams

Shipping & Handling

• Method: UPS Ground or FedEx
• Availability: In stock - ships same or next business day
• Packaging: Secure custom box 48 x 18 x 12 inches
• Weight: 23 pounds