Invidia Divorced Catted Downpipe for 02-07 WRX / STI ¨C HS05SW1DPC

For a strong boost in power the Invidia Down Pipe offers an alternative to other power-boosting enhancements. To see just how much power the Invidia Downpipe can produce a quick look at its dyno chart shows it easily added several horsepower to the stock exhaust system. Each Invidia Downpipe features a large 4 inch Stainless Steel bellmouth to enhance power by freeing excess gas. The Invidia Downpipe sports a one-piece design eliminating the need for the stock catalytic converter.