Y-Pipe Diameters

CamaroGuy22

06-18-2007, 01:16 PM

What are the diameters for the following on an LT1 car:

Stock

Borla for stock manifolds

SLP for stock manifolds

Mac Y Pipe

TheOutlaw 2007

06-22-2007, 01:15 PM

2-3/4 stock.. I belive