I want to buy an exhaust for my coupe, however, I live in the suburbs and don't want to be very obnoxious so I was looking into a valve cutoff exhaust. My budget is $2k so the fully built exhausts like the FI & Armytrix valvetronic are just too expensive. I liked the sound of the motordyne exhaust and was wondering if it would be easy to install a cutoff valve (or if you would need 2 cutoffs). Any advice for a valve exhaust setup for under $2k would be great.