Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums - Camaro5.com - View Single Post - Vibration and humming sound normal ? After xpipe & GMPP exhaust install

Maverick1776 · 03-08-2014, 02:13 PM

Just the axelback. I still have the factory pipes, with the 4 cat converters near the engine.
It's the GMPP axelbacks. Rebadged borlas. I'm
A noob, it's only the chrome parts with the GM Performance badging and embossed Chevy logo on the tips.
So that's the term for the humming noise ?
Droning ?
That's what it sounds like inside. Maybe the xpipe is a bit much ?

03-08-2014, 02:13 PM	#3
Maverick1776 Drives: 2013 Camaro 2LS Join Date: Feb 2013 Location: Fort Lauderdale, FL Posts: 187	Just the axelback. I still have the factory pipes, with the 4 cat converters near the engine. It's the GMPP axelbacks. Rebadged borlas. I'm A noob, it's only the chrome parts with the GM Performance badging and embossed Chevy logo on the tips. So that's the term for the humming noise ? Droning ? That's what it sounds like inside. Maybe the xpipe is a bit much ? Last edited by Maverick1776; 03-08-2014 at 02:30 PM.