i got my headers installed and exhaust redone finaly. took about 2 hours to install the headers, than drove it down uncapped to the exhaust shop. had new flanges made and new pipes bent. cats were removed and my o2 sims should be here tomorrow. i saw performance gains all around. low,mid high. also in the same week, installed my underdrive pulley. next i'll install my nitrous again.
What mufflers are you running?
[b]GMC Sierra 4.8 SCSB
http://img49.photobucket.com/albums/...ure4Boards.jpg
Did you get any?
1999 Silverado 1500 Ext. cab Red 2/4 hotchkis drop & swaybars, bilstein stocks, AR626 & 404 Nitto's, Yank converter, ASM headers, ASP underdrive pulley, Taylor wires , free mods VCN 2000, Nelson Performance tuning
2002 Red WS6 M6; Flow master K&N
Nice! What brand did you go with?Originally posted by droppedgmc@Oct 20 2003, 10:44 PM
i got my headers installed and exhaust redone finaly. took about 2 hours to install the headers, than drove it down uncapped to the exhaust shop. had new flanges made and new pipes bent. cats were removed and my o2 sims should be here tomorrow. i saw performance gains all around. low,mid high. also in the same week, installed my underdrive pulley. next i'll install my nitrous again.
The superior man is modest in his speech, but exceeds in his actions. - Confucius
"He who asks of life nothing but the improvement of his own nature, is less liable than anyone else to miss and waste life."- Henri Frederic Amiel
'01 Chev Z71 LT - '85 BMW 745i TURBO - '88 BMW 750iL - '88 Ford F150 XLT Lariat - '79 MB 240D - '79 MB 280S Euro
'80 MB 380SE-5.0 Euro - '85 MB 300SD - '87 MB 300SDL - 1990 MB 300SEL - '91 MB 300SE - '91 MB 560SEL
Let's face it, the red hair... makes 'em wet.
hearders are dean lapole's and mufflers are mean streak 2's
www.pvmufflers.com - headers
www.alliedexhaust.com - mufflers
what is the MAF MOD you have listed in your sig? and restricted EGR???
02 silverado ext cab short bed|2/4 drop with HAL and cal tracs|ASM headers w/ duals| 4.10s w/ eaton|ls1 edit|FIPK|BBK|6.0 swap|230/236 .588/.591 113 comp|ported 6.0s 2.055/1.60s 918s|4L65 w transgo and servos|PY3600E|8.1 injectors|LS1 fans|TNT power ring wet kit
the maf mod was knocking out the screen and the restrict egr is here:
http://www.sshotrods.com/performance/gmtru.../99up/egrplate/
copy and paste. i am going to cut the plastic center out also. or if i can find an adapter to use the 2 piece ls1 maf
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