Ark Performance Downpipe and Test Pipe (DP0702-0138) 7101 This Cat-Back(tm) exhaust system is

This Cat-Back(tm) exhaust system is engineered for performance and has our ATAK(r) sound

Seibon OE-style carbon fiber doors for 1993-2002 Mazda RX-7 offer significant weight savings and durable construction tailored for off-road use

Off-Road Gate Plate with Special Functions for better off-road control

For carbureted applications

Our ultimate goal was to make the best up pipe the aftermarket has to offer

Ark Performance Downpipe and Test Pipe (DP0702-0138) 7101 This Cat-Back(tm) exhaust system isThe ARK downpipe and test pipe are designed to get the most power out of the motor. We use 2. 5" Piping SUS 304 Steel, Increases dyno proven Horsepower And Torque From Mid Range To Redline. Notes: This is a Race Only product that is to be used solely for competition. It cannot be used on vehicles that are operated on public streets, roads or highways. Its use is limited to closed course and open course racing that is formally sanctioned by a