Armytrix sport version high-flow cat-pipe vs AMS performance red alpha full downpipe

[VR30Infection]

The difference is the cats. The AMS has Gesi epa compliant high flow cats. The others are probably from China and are only 100cel so they will be basically like a catless DP without as much smell.

 

[VR30Z6spd]

high flow cats could still trigger codes