I haven't looked at the ATX but I'm guessing the crossover/up-pipe would conflict with the transmission.
Someone have a picture of the ATX with the battery box removed?


Former owner of '99 CSVT - Silver #222/2760 356/334 wHP/TQ at 10psi on pump gas! See My Mods '05 Volvo S40 Turbo 5 AWD with 6spd, Passion Red '06 Mazda5 Touring, 5spd,MTX, Black