Now to answer all the questions, warranty is 5 years unlimited milage,tips are 3", the pipe diameter: front resonator is 63.5mm, the intermediate pipe is 63.5mm & the rear mufflers are 54mm all mandrel bent. As far as sound goes it's throaty & not raspy & does not resonate inside the car. This is the final price it is allready discounted! There are other tips avaliable, go to our web site
www.bosalperformance.com & go to where it says tips & scroll down till you see Chameleon tips.
