Did you leave the cats or pull them as well?Originally Posted by 5.3L11z71
Did you leave the cats or pull them as well?
2oo6 25ooHD 6.oL,
Current:
Airaid MIT
AFE Dry Flow Filter
Twin Magnaflow 14419's
Next part is up for debate
Left cats exhaust is all stock just replaced muffler. It also seems to be getting louder. Has real deep throaty sound when driving normal
I installed the 18" case magnaflow and have LT with a highflow cat and sounds awesome. Way better then the flowmaster I had. Its not stock sound when cruising but sounds really good. At WOT or under load it sounds amazing
2010 Silverado 4.8 Ext Cab 4x4
Cam, Stall, 4.88's
22" magnaflow no kittens
http://static.photobucket.com/player...-44-20_532.mp4
Hey Chri$09 can you post up some pics of your exhaust setup?
Sounds exactly what I was planning. Would like to see how you got a 4" connected.
2000 Chevy rcsb 5.3, 4L80E, 3.43 G80, P&P heads, Isky tripple 12, EFI LIVE
yes i can post pics for you soon. its simply a 3" to 4" adapter that looks like the beginings of a eco-tip but not chrome. then the 4" inlet/outlet spintech and we used mandrel (sp) bent diesel tailpipe to finish out to the back.
2009 CHEVROLET 1500 with a MONSTER 4.8 between the frame rails!!
Tuned by LSX Powersports ~ 4.10 ~ JBA Shorties ~ 4" Inlet/Outlet Spintech ~ Airaid Coldair
CST 3.5" Spindles ~ Camburg Upper Control Arms ~ 2.5" CCM ~ FFR Tie Rods
Full Throttle Suspension 3" Lift Blocks ~ Soft 8s wrapped in LT285/70/17 Silent Armors
now when i get my headers the next part will be redone and replaced to make it look more pretty and straight. this was just to get me by till then.
over all im please with the tone. it was really tight trying to get the tail pipe done where it cleared everything. as i stated the front part will be redone with a new flange(the factory one broke), new adapter, and the used front section will be replaced to clean it up a little. i don't like how the front section looks like a hack job but once i get my headers and ORY it will be cleaned up alot better
Last edited by 1slo4.8; 01-31-2012 at 09:31 AM.
2009 CHEVROLET 1500 with a MONSTER 4.8 between the frame rails!!
Tuned by LSX Powersports ~ 4.10 ~ JBA Shorties ~ 4" Inlet/Outlet Spintech ~ Airaid Coldair
CST 3.5" Spindles ~ Camburg Upper Control Arms ~ 2.5" CCM ~ FFR Tie Rods
Full Throttle Suspension 3" Lift Blocks ~ Soft 8s wrapped in LT285/70/17 Silent Armors
Flowmaster sells a y piece u can use to go from ur ory to 4" & no reducers turned backwards...
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