Per Schroeder
Per Schroeder PowerDork
9/10/07 5:42 a.m.

Stock class autocross rules allow for exhaust system changes downstream of the catalytic converter. We bolted on Alta's 3-inch exhaust system last week. The sound is slightly more aggressive than stock, with only a touch of drone under load on the highway (up hills at certain RPM). The system wei…

Read the rest of the story

Our Preferred Partners