LS1TECH - View Single Post - How much HP will a 4" mufflex with Flowmaster muffler support?

squale iii · 07-01-2009, 10:28 PM

i'm going to be going with that borla straight thru muffler i think on mine. I'm running LT's and an off road y-pipe with a dump right now it's it's OBNOXIOUSLY loud lol

07-01-2009, 10:28 PM	#14
squale iii On The Tree Trader Rating: 0 Join Date: Apr 2008 Posts: 184	i'm going to be going with that borla straight thru muffler i think on mine. I'm running LT's and an off road y-pipe with a dump right now it's it's OBNOXIOUSLY loud lol __________________ G5X3/FAST 92/Stock heads - 414rwhp.