flowmaster muffler swap?
#22
![Default](https://ls1tech.com/forums/images/icons/icon1.gif)
True, the 40s and 44s sound so much better! I drove around for a day with out mine and hated the open exhaust sound. Seems to flow pretty well too... I can't tell any difference in power and response with or without the 44. Just need to get any ORP now.