If you drive a second-generation Subaru WRX or STI, you know that the sedan and hatchback versions of these cars have distinct exhaust system designs to accommodate the cars’ different dimensions.

An addiction. A need for the sweet, bassy burble of a turbocharged Subaru EJ25 engine sporting unequal-length headers and an unrestricted exhaust. When I parted with my WRX STI, I was left with a ...

The Subaru WRX STI was a higher-performance version of the ... A custom Inconel (a high-strength, lightweight nickel-chrome-iron alloy) exhaust system had to be fabricated. This was needed because ...