i currently have mpx lth and im ordering a magnaflow cat back
im goin to wait till i get both then im goin to install them but i heard somethin bout a 02 senser has to b moved and so does the cat any answers on wat i should do

 

also will i get a noise from the headers and exhaust system

 

use the O2 sensor defouler, its worked for me so far

 

lth is going to be ****ing loud

 

cus its a long tube header, ur cat will be pushed back further more so hope dat answers ur question