Hushpower 12" Muffler 2 1/4" #12412409 5620630 They are rated in flow

They are rated in flow capacity ”cubic centimeters per minute” and are changeable for tuning purposes

Drill Sizes: 2

welding plastics heat shrink tubing thawing

Overall length 225mm

Hushpower 12" Muffler 2 1/4" #12412409 5620630 They are rated in flowThese Flowmaster Hushpower II resonators incorporate the latest technology into their unique 12 in. cool shell oval case and high flow tuned design. They are offered in either T304 polished or T409 stainless steel. The Flowmaster Hushpower II resonators' compact design and insulated case allow for installation applications on a wide variety of vehicles. The resonators are ideal for those seeking more control of exhaust tones and interior resonance.