Stainless Steel 304 Muffler Caps Exhaust Auto Spare Parts 4 Inch Exhaust Rain Caps

Stainless Steel 304 Muffler caps Exhaust Auto Spare Parts 4 inch Exhaust Rain Caps Stainless Steel Exhaust Rain Cap: This rain cap is made of high-quality stainless steel, featuring excellent rust and corrosion resistance for long service life. Equipped with counter-balanced flapper. It opens automatically under exhaust gas pressure when engine runs, and closes tightly after shutdown to block rain, snow, dust and debris from entering exhaust stack. Protect exhaust system and