When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
A technical documentation that presents a dynamometer test report for a vehicle. The graph displays engine power and torque curves, comparing a 997.2 Turbo S in stock form versus with an IPD upgrade. Key performance metrics such as horsepower and torque are detailed, along with specifics about the testing conditions.