2.2L LAP Performance Tech 2.2L LAP Performance Tech (2009+) 155 hp EcoTec with 150 lb-ft of torque

Header Question.

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Old 08-04-2012, 03:03 AM
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Header Question.

Is it safe to run 1 3/4" primaries on a N/A setup?

I wanna buy the Longtube Header Package but they don't have the 1.5 primaries anymore for any header package at ZZP
Old 08-09-2012, 12:26 AM
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Its safe.. but I only recommend doing this if you plan on boosting later.... If you insist on this being a permanant N/A setup... get a good tune from trifecta, keep the cat-back at 2.5", and catted dp... the headers being 1.75" to catless dp to 3" all they way back will ruin the performance.
Old 08-09-2012, 12:41 AM
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and they do have ZZP midlengths with 1.5" I just looked..
Old 08-09-2012, 12:46 AM
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Originally Posted by LtDanBoostdG5GT
Its safe.. but I only recommend doing this if you plan on boosting later.... If you insist on this being a permanant N/A setup... get a good tune from trifecta, keep the cat-back at 2.5", and catted dp... the headers being 1.75" to catless dp to 3" all they way back will ruin the performance.
I'd have to disagree with you on the part about the header ruining performance. 3" exhaust all the way back probably would but I ran the long tube header and 3" downpipe NA for a few months and it definitely had an improvement in performance without a tune. May not have been the best option for a NA setup but it did make a difference
Old 08-09-2012, 01:14 AM
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Originally Posted by bluebalt07
I'd have to disagree with you on the part about the header ruining performance. 3" exhaust all the way back probably would but I ran the long tube header and 3" downpipe NA for a few months and it definitely had an improvement in performance without a tune. May not have been the best option for a NA setup but it did make a difference

Well I am not concerned about the header... i am concerned about the header + catless dp... I think Header + catted DP will maximize performance better
Old 08-09-2012, 11:50 AM
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Originally Posted by LtDanBoostdG5GT
Well I am not concerned about the header... i am concerned about the header + catless dp... I think Header + catted DP will maximize performance better
Missed the part about being catless. Mine is catted anyway and I do agree he shouldn't go catless. As you said probably hurt performance and it will sound like ass.
Old 08-09-2012, 02:05 PM
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Originally Posted by LtDanBoostdG5GT
and they do have ZZP midlengths with 1.5" I just looked..
Originally Posted by LtDanBoostdG5GT
Well I am not concerned about the header... i am concerned about the header + catless dp... I think Header + catted DP will maximize performance better
you know your ****!
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