I doubt it is 409 stainless steel as it arrived with rust and the rust has increased over several days. It's said to have 33 holes per square inch, but they don't mention there's a full-length unperforated strip. I don't think this will create good exhaust flow in the muffler. Also means that the open area is less than the specified 40%.
XFMT Full Face Motorcycle Helmet Flip Up Adult ATV Dirt Bike Carbon Fiber S (Large, White Pink Butterfly)
29 Review
🏍️ Xelement 7550 'Classic' Black Leather Motorcycle Chaps - Unisex, 36 Inches
35 Review
Ride In Style And Safety With Xelement CF462 Ladies Black And Pink Tri-Tex Motorcycle Jacket
42 Review
Red L Motorcycle Gloves: Breathable, Touchscreen & Anti-Slip For Men Women | Hard Knuckles Protection For Motocross, BMX ATV MTB Cycling, Road Racing - COFIT
39 Review