Below is a comprehensive list of Porsche Tuners in the United States, Germany, and United Kingdom. Each tuner is verified annually to ensure they are still in business and maintain a good working reputation. Only the most reputable tuners can be listed here.
911Tuning
APR
CEC
EVOLUTION MOTORSPORTS (EVOMS)
FABSPEED
FVD
GEMBALLA
LINDSEY RACING
RENNSPORT
ROOCK
SPEEDSPORT
STRATMOSPHERE
TPC RACING
ULTIMATE MOTORWERKS (UMW)
9FF
AP CAR DESIGN
CARACTERE
CARGRAPHIC
DIEZWEI
DP MOTORSPORT
HAMANN
HEIDL
KOENIG
KORO
MANTHEY RACING
MB AUTO DESIGN
MILLTEK SPORT
MITTEL MOTOR
PEFA
RINSPEED
RUF
SECRETS OF SPEED
SPEEDART
SPORTEC
SPORTWAGEN
STROSEK
TECHART
WS STYLING
