Red Star Downpipes
Quality?
Sound?
Performance?
Fitment?
http://redstarexhaust.com/product/me...tted-downpipes
To answer op questions
Quality? Very good
Sound? 15% louder than stock
Performance? Depends on ECU calibration etc
Fitment? Very good
Attached is a pic of a catless RS set I sold a month ago
To answer op questions
Quality? Very good
Sound? 15% louder than stock
Performance? Depends on ECU calibration etc
Fitment? Very good
Attached is a pic of a catless RS set I sold a month ago

To answer op questions
Quality? Very good
Sound? 15% louder than stock
Performance? Depends on ECU calibration etc
Fitment? Very good
Attached is a pic of a catless RS set I sold a month ago

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Then send to the tuner, they send you the tune.
Then upload.
I had the MyGenius (still do from my C63, returned to the dealer with a tune uploaded, oops), super easy to use. Have the MyGenius (which is locked to the car that I no longer have) which is now a paperweight.
Debating with myself getting a tune for the E63s






