991.1/991.2 GT3, GT3RS, 911R, Cup,

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Video doesn't do it justice you need to hear it in person holy crap does it sound good! I thought my center bypass sounded good but these race headers blows it out of the water in every way. In my opinion these headers are 30% louder than previous setup and the best part zero drone. Listen to the high pitch... read more

Derek, Taiwan
991 GT3RS Race Headers

991.1/991.2 GT3/RS ECU Flash Tune

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Dynospectrum 991.1/991.2 GT3/RS Tune.  

 

 

 

 

 

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