5th Gear Poster
Join Date: Jun 2010
Location: Fayetteville, AR
I need to quiet this thing down...
I went to an exhaust shop a few days ago and had some work done. The welder removed my catalytic converter system and welded up a new catless Y-pipe assembly with bungs for my four O2 sensors. I made MIL eliminators for the downstream O2s (working great!) and it got rid of my PO420/PO430 codes that have been plaguing me for some time now. Needless to say, the exhaust is much louder now. It does has a nice Roush GT Mustang rumble at idle, but when the engine hits a certain RPM I get a resonating buzz (for a lack of better description) coming out of the tips. I was more than happy with the exhaust dB and pitch before this mod. I run a Delta 40 series catback by Flowmaster, which I do not plan on changing. I spoke to the exhaust shop and they recommended a long glasspack after the Y-pipe to cure the problem. My only experience with glasspacks are with my friends' old pickups. Do you guys think it will quiet it down and remove the raspy buzzing?
If you can't hear it before you see it...what's the point?