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Yfz450dan
11-25-2005, 02:12 PM
What are the db limits for MX and XC

Thinking about getting sparks but will it make the db test?
Carl_YFZ
11-25-2005, 02:51 PM
nop the sparks is way over the new limit of 101db for race pipes
yfz450xc
11-25-2005, 03:18 PM
Last I heard in xc racing is 102 and I have a HMF that went for 104, but I bought a quiet core and that made a huge diffrence.