I know that several people on here were looking for an exhaust on their 300ex. Well, I was looking for one 2, and I found a Pro Circuit T-4 on their own website (it is a slip-on) for only $238.00 and this is one of best for 300ex. On rockymountainatv it cost $270!! SO it is a great deal from the official site, go here to pick ur model and year!

 

Get a White Brothers E-Series Pro Meg Aluminium Exhaust it gains about 7 hp and is only about $250

 

What pipe is better white borthers e-series meg or a pro-circuit T4..I always like the pro-circuits but I never saw this one yet..It adds about 7 hp on a 300EX whata bout on a 400EX im guessing the same...How much hp does the pro circuit add??also though which pipe has the best low end top end and mid range power?

 

For mine i always wanted to get a white bros.