I'd like this thread to detail the various exhaust system options for WR450 owners.
I welcome/ask people to post up what system they are using, how much it cost, how much weight it saved over stock, how noisy it is and how much of a power increase they saw.
When I say "system" I am speaking of header and silencer, but I invite people to post individually about headers and silencers as well.
I have a few questions to get the thread rolling.
1) How much does a stock 2012+ WR450 exhaust system weigh ?
2) What years of stock YZ450 exhaust systems will fit each generation of WR450 ? How loud are they, how much power increase will one see ? What year of YZ exhaust would be the best on a 2012+ ?
3) How much power is robbed in the header of a 2012 WR versus the silencer ? Does it pay to replace the silencer only ? If you were going to replace only one, which one would it be ?
4) What exhaust system gives the most bang for the buck ?