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No Long tubes for a 2006 GMC 6.0L

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Old 05-11-2021, 10:23 PM
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Old 05-11-2021, 11:02 PM
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I have some photos of how I did that floating around. I did it with a single 3.5"

I'll see if I can find them
Old 05-12-2021, 01:12 PM
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Old 05-12-2021, 01:35 PM
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lol

do a tuned dyno pull before and after, then get an RMA from them
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Old 05-12-2021, 01:39 PM
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I used Ebay special, 304ss 1 7/8" x 3" headers and 3" Y pipe. I think I paid $250 delivered to NJ.

I have more than enough low end to spin the tires
Old 05-12-2021, 01:41 PM
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Old 05-12-2021, 01:59 PM
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Originally Posted by Kelly Timoffee
Well, spoke with Speed engineering, they don't export to Canada , said must buy through ebay.Checked it out, fees would be prohibitively expensive by the time they arrived.

I need the torque down low anyways.

Ordered these this morning...

https://jbaspeedshop.com/i-22726387-...%3Fq%3D1850s-3
holy ****. Thats a waste if $479.
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Old 05-12-2021, 01:59 PM
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You wont see any gain with them, that was my point. If you're happy with the purchase have at it, but shorties are proven to not provide any gain over stock manifolds
Old 05-12-2021, 02:45 PM
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Old 05-12-2021, 02:46 PM
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Originally Posted by terravast4
holy ****. Thats a waste if $479.
Sometimes I just don't understand people. This forum is by far is the most informative resource for GM performance trucks anywhere on the planet. We here give the best information we've learned as a collective with many many decades of experience. I've been wrenching on hotrods going on 50 years myself. When I seek information on questions I may have... I weigh the replies along with my knowledge come up with the best outcome. Why even ask the questions when going in someones mind is dead set and unvarying?
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