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-   -   True duals? (https://www.performancetrucks.net/forums/gmt-900-trucks-general-discussion-188/true-duals-499856/)

GMCSIERRA5.3 Apr 4, 2012 01:30 PM

True duals?
 
Sup guys..well ive been.thinking.of.switching my.current exhaust system witch is 3 inch y pipe and 3 inch piping all the way back..ive been thinking on going true dual 3 inch into 2 borla xr1s..what yall think should i? Noticable gain? Or would i loose power? Mods.are in sig..any help is aprecciated thanks.ppl

NKPPhil Apr 4, 2012 01:33 PM

For a start, read 62nalide's post HERE.

GMCSIERRA5.3 Apr 4, 2012 05:38 PM

^^ thanks.....bumpp

GMCSIERRA5.3 Apr 4, 2012 10:37 PM

Where yall true dual.guys at

62nalide Apr 4, 2012 10:49 PM


Originally Posted by GMCSIERRA5.3 (Post 4900004)
Where yall true dual.guys at

HP goal? FYI that 3'' single is no good to that 6.2L

ltr450ryder Apr 4, 2012 10:52 PM

Yea I say true duals for your set up

GMCSIERRA5.3 Apr 4, 2012 10:58 PM

Got.no hp.goals lol maybe one.day ill go procharger or.turbo but not.anytime soon

GMCSIERRA5.3 Apr 4, 2012 10:59 PM

Also looking.for some more noise lol.hopefully.the 2 xr1s get the job done

iamkeniff Apr 5, 2012 05:54 AM


Originally Posted by 62nalide (Post 4900013)
HP goal? FYI that 3'' single is no good to that 6.2L

mine does just fine with 1 3/4" exhaust and crinkle bent exhaust through a 3 foot muffler :secret:

i wouldnt mind upgrading to a dual 3" myself but i cant fit another 3' muffler on the side of the current one:jest:

also Daryn C had a 6.2 with milled, mild p&p heads, 230/2?? cam with 1 3/4" headers and 3" single pipe exhaust (rcsb, 3600, 3:73s) an went 12.4 @ 110 or so if i remember right.

62nalide Apr 5, 2012 08:54 AM


Originally Posted by iamkeniff (Post 4900076)
mine does just fine with 1 3/4" exhaust and crinkle bent exhaust through a 3 foot muffler :secret:

i wouldnt mind upgrading to a dual 3" myself but i cant fit another 3' muffler on the side of the current one:jest:

also Daryn C had a 6.2 with milled, mild p&p heads, 230/2?? cam with 1 3/4" headers and 3" single pipe exhaust (rcsb, 3600, 3:73s) an went 12.4 @ 110 or so if i remember right.

IDK man not saying its hurting u BUT the way I see it 6.2s factory run a 3 1/2'' pipe why down grade? But just think what can happen if u go dual or lets say bigger single? im no high performance tech but i do read tons of magazines :jest: and the L92s and LS3s love to dump air with the bigger headers and exhaust pipes before my turbo setup i ended doing a 4'' single and did pretty good on the dyno i loved my top end when i was N/A


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