Jeannie (Surrey )
Excellent product. Highly recommended.
Adam (Zlatno )
Doesent fit to Leovince X3 mufler for DR-Z400s. i welded another conection to mufler. It also doesent fit to stock exhaust for DR-Z400s. Must cut around 3cm from the end of header. it sounds like crap with stock exhaust. I dont realize any difference in performance....engine is little quiter now.
Edwin Ja (Cohocton )
I just got the PowerBomb pipe and this Q4 muffler for my 2004 KLR-650. I'm very pleased with them both. They gave me the amazing combination of more power and less noise. The bike has a good sound too, but more of a rumble than a bark. It's also snappier - it never used to power slide - not enough snap to make it break away when you expect - now it does have that snap. The bike's much more fun to ride now. The header and the muffler bolted right up in a half hour or so. Everything fit with only a little encouragement. It's all very well made and the muffler mounting bracket looks very strong. I'd recommend this combination to anyone. I also got the heat shield and it looks good and finishes off the job nicely.
Guy (Oklahoma City )
Great flow, deep grunt at peak RPMS.
Geary (Scottsdale )
Good sound and easy install. Definitely added more punch to my '07 TRX450R.
Trevor (Chula Vista )
This is probably my favorite purchase I have ever made when it comes to dirtbikes. Absolutely beautiful and performs like a beast.