Long Tube and Y Pipe Recommendations
2001 T/A
5.7 LS1
Would like to start upgrading factory exhaust from manifolds on back. See a lot of options out there as far as long tubes, y-pipes, catbacks etc (car will not be driven more than 5k a year so no longer concerned with anything emissions related)
Thoughts on what is the best from a quality/performance standpoint?
Is the GMMG over-axle true dual worthwhile?
Appreciate any insights. Thank you!
For best performance, the true dual kits are better. I need to pass state inspections, so I went with the catted Y-pipe.
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Emissions don’t seem to be an issue for you, any HOA concerns? Will you be lowering the car?












