Pipe Sizes
Size does matter when you're deciding which performance exhaust
system is right for your vehicle. If the pipe is too narrow, it creates a
lot of restriction that robs you of horsepower, torque and fuel economy. On the other hand, piping that is too large for you motor will hamper engine scavenging, which will also slow you down. Follow these handy charts to decide which pipe diameter is right for your vehicle.
| Gasoline Engines | |||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Stock Horsepower Rating | Pipe Size | ||||||||||||||||||||||||||||||
| Up to 100hp | 2" > diameter | ||||||||||||||||||||||||||||||
| Up to 160hp | 2.5" > diameter | ||||||||||||||||||||||||||||||
| Up to 200hp | 3" > diameter | ||||||||||||||||||||||||||||||
| 200hp + | 3.5" > diameter | ||||||||||||||||||||||||||||||
