991.1/991.2 GT3, GT3RS, 911R

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Laurent purchased a Dundon Lifetime 321SS Black Muffler to go with his Race Header System and Carbon Dual Cone Intake "At idle, sound is suggestive: not that loud but you feel the engine can tell what he thinks. At low revs and duty, sound is soft. It is even strange how they managed to keep the car that streetable. When you push it... read more

Laurent, Reunion Island

991 GT3 ECU Flash Tune for Dundon Race Exhaust

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Our 991 GT3 Tune extracts even more power from our Dundon Race Headers.  The Latest Revision adds about 15whp on top of our 40whp from just headers alone!  55whp from headers and an ECU Flash tune.

 

The tune is performed with a Dimsport My Genius handheld tuner using the OBDII port of the vehicle.  This is convenient and easy to do!

 

 

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