I've only driven it twice with the cut outs open. I only installed them to see if my stock muffler is hurting my performance any at the track. If i only gain a tenth or so at the track, the stock muffler stays, but if i gain more i'll go full custom 3", x pipe and four Magnaflows to keep the noise down.Originally Posted by txarkitekt
Red 98 SUX2BU SS 11.04@121.69 with bolt ons RIP
2003 White Diamond Escalade ESV AWD Long tubes, Comp cam 224/230 .581" .591" 114 lsa w/ dual springs, CAI, pulley, 05' E-fans, dual cut outs, Yank PT3200, Transgo shift kit, Billet 4th gear servo, Vette 2nd gear servo 8.976@77.16 MPH
Welcome
2000 sil.ext. 5.3 / Lingenfelter Ls1 cam / LS1 valves / Ported / Milled / 35lb injectors / 80mm tb / E-fans / cold air intake / Pacesetter Cer LT's w/3"ory/ JET-DST / MSD Twister / Corvette Servo / 3.73's / 125 N2O / no cats / Flowmaster exhaust / level rear drop / Rear sway bar / SS wheels / 285/50R20 Goodyears / 05 Tail lites
forgot we had spelling police around here, I fixed it. I really need to check my spelling before I finish a post i guess
2005 black Yukon XL SLT - traded in for me wife's new Fusion (GM sucks these days)
2002 black Yukon SLT (the skinny sister)
1969 green Pontiac GTO (Layla, AKA the black sheep)
INSTALLS AND MORE.. http://www.ls1truck.com/forums/my-ga...-low-life.html
Sticky/broken gauges? I can help. PM me for details.
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