99redSIR

hey hey

i drive a 99 civic sir.. my question is i have DC header 4-2-1 and took out resanotor and have reactive exhuat (i know reactive is ****).. but im wondering if i change the cat to a high flow will i feel a big diffrence cause i have been told by alot of buddies who are mechanics saying that if i put in a high flow cat ill feel a huge diffrence.. i wanted to ask u boys/girls.. so plz let me know what u think..

thx alot

dohcMONSTER

you will definitely notice a change in the volume, from loud to louder, but only a few mods it wont do much. id put the money toward something that would gain you more power IMO