Porsche Porsche 911 2004-2008 (997) PorschePorsche 911 2004-2008 (997)Headunit Installation RequirementsYou will needFacia - Double DIN: RequiredSteering Wheel Control Harness: Required, also requires radio brand specific patch leadPrimary Harness: Required, may require a secondary harnessAntenna Adaptor: Required Please enable javascript to use this siteImages About this VehicleDates: Jan 1999 through Dec 2005Manufacturer: PorscheSub-Model: 996Chassis Type: ConvertibleCoupePlace of Origin: GermanyTags: Porsche911996Porsche 911 The Type 996 introduced in 1998 represented two major changes for the venerable 911-based line: a water-cooled flat-6 replaced the venerable air-cooled engine used in the 911 for 34 years, and the body shell received its first major re-design. Information provided by: https://en.wikipedia.org/wiki/Porsche_911#996_Series_(1998/9%E2%80%932004) Speaker CavitiesFront: 4"Rear: 4" ‹ Porsche Porsche Porsche 911 2004-2008 (997) ›