Need to quieten down a noisy exhaust system and you don't have enough room for a muffler or do you need to tune the exhaust system to give it just the right note? Redback Hotdog resonators give you the flexibility to do the job with a wide range of louvred and perforated Hotdogs in various lengths and tube diameters. Constructed of Aluminised Mild steel and 10mm Fibreglass matting, Redback hotdogs are strong and durable and easy to use.