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Discussion Starter · #1 ·
Hi all...
This question is really focused at ppl who own a 2 Brothers Xmetal exhaust.

I own a 2 Brothers Highmount C5 Xmetal slip on for my CBR F4i,
I've put on about 3000kms since I installed it.
I understand that the Xmetal pipes are suppose to turn gold/amber after a few heat cycles.
I'd like to ask all owners who have a Xmetal pipe how long it took to turn colours?
Mine still looks new... my bike runs rich so would that affect the colour change?
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