I'm assuming retail of $1700 is for the axle-back, not full headerback? How loud is it (louder than Eisenmann race, etc.)? Deep v8 rumble or more F1 high-pitched? Any before/after dyno's? Looking forward to more pics & vids, thx!
- Jimmy
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'13 E70 S63B44A
'17 95B GTS
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