If you want a light muffler that barks, the BMP 850 E-TEC turbo muffler is the way to go!. All of BMP’s mufflers are dyno tested and airflow tested on their Superflow to make sure that they don’t lose power like many others do. Fits great with laser cut mounting brackets. 10 lbs lighter than stock. 4-5 hp gains. Excellent fit and finish. Muffler is equipped with a factory sensor bung. This muffler is light and loud, so please use it in areas that will allow for it. Made in the USA.