[allmotorhawaii]

Hi there everyone i was just wondering what size exhaust piping are you guys using on your K20 swaps... 2 1/2 inch? 3 inch? also what catylytic converter are you guys using? And are you guys using a universal muffler if so what type of universal muffler you guys are using? Thanks...

 

[98specR]

catalytic converter??? LOL...

 

[allmotorhawaii]

or should i say what hi flow cat are you guys using?

 

[k-dub]

i got DC tsx header, 2.25 magnaflow mandrel exhaust with magnaflow strait through stock look muffler. Seems as people are using bigger pipping. I tell you what they sure do push alot of exhaust out at idle.

 

[drhonda]

I'm gonna have a 2.5" high flow cat, with 2.5" pipeing and a comptech muffler.