What was the purpose of 'side pipes' on old muscle cars? Do they add performance? They seem only good for burning ankles and starting grass fires. - Quora
![JEGS 30582: Shielded Side Pipes | 60 in. Length | Chrome Plated | Inlet 2 3/8 (.375) in. Diameter | Outlet 3 in. Diameter | Pair - JEGS JEGS 30582: Shielded Side Pipes | 60 in. Length | Chrome Plated | Inlet 2 3/8 (.375) in. Diameter | Outlet 3 in. Diameter | Pair - JEGS](https://www.jegs.com/images/photos/500/555/555-30582.jpg)
JEGS 30582: Shielded Side Pipes | 60 in. Length | Chrome Plated | Inlet 2 3/8 (.375) in. Diameter | Outlet 3 in. Diameter | Pair - JEGS
![Chevy C2 C3 Corvette Insulated Side Pipes 4" - Brushed Stainless Finish #FCOR-0571 - Billy Boat Exhaust Chevy C2 C3 Corvette Insulated Side Pipes 4" - Brushed Stainless Finish #FCOR-0571 - Billy Boat Exhaust](https://www.bbexhaust.com/wp-content/uploads/2016/05/FCOR-0571-2.jpg)