304ss Valved Catback Exhaust for Porsche 911 997.1 997.2 Carrera 4S

Upgrade your Porsche 997 Carrera / Carrera S with the STRATEC Valved Sport Exhaust System in T304 Stainless Steel, engineered to deliver a sharp, high-revving motorsport-inspired sound with durability for long-term street and performance use.

Featuring equal-length performance headers, a free-flow X-pipe, and valved side mufflers, this complete exhaust system transforms the 997’s tone into a clean, aggressive, F1-inspired sound profile. With valves open, it produces an intense, track-focused exhaust note. With valves closed, volume is reduced significantly for a more refined and comfortable daily driving experience.

This is a full-system upgrade — not an axle-back — ensuring optimized flow, tone balance, performance response, and reliability.

What’s Included

• Equal-length stainless steel performance headers

• Free-flow stainless steel X-pipe

• Valved side mufflers for adjustable sound

• Quad exhaust tips

• Complete vacuum valve control hardware

Features

• T304 Stainless Steel construction for corrosion resistance and longevity

• Vacuum-controlled exhaust valves with factory-style operation

• Approx. 21.8 lb weight savings vs factory exhaust

• Mandrel-bent piping for optimized exhaust flow

• Precision TIG-welded for strength and durability

• 100% bolt-on and reversible — return to stock anytime

Vehicle Fitment

• 2005–2008 Porsche 997.1 Carrera / Carrera S

• 2009–2012 Porsche 997.2 Carrera / Carrera S

• Convertible models supported