I paid $65 at a local performance muffler shop that had welding capabilities,,,,,,,told me to come back in 2 weeks to spot weld some of the clamps, after it had settled in where it wants to be under the ST,,,,,,,going back tomorrow morning.
Hit the button that says "Email best offer" and they will get back to you in a few hours. Mention our site and the $10 discount and they will give you code to use as a "coupon" during checkout. I pasted a link below. Also, hit my site for pics of install.