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Old 04-11-2010, 06:26 PM   #57
trudawg660

 
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are these longtubes?
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Old 04-11-2010, 06:39 PM   #58
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Quote:
are these longtubes?
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Originally Posted by RPM Motors View Post
We recently had a circumstance where we did an A-B test of the Doug Thorley headers vs another popular LT - the Thorley headers were on top by a substantial margin. Factor in their cost - what a bargain!
Guessing so....

Thanks alot for the real world info....most excellent to see some numbers to back up the claims!

Oh!!! And does this prove that the Doug Thorleys peak 10 HP/5 ftlbs higher than the ARH's????? Boy oh Boy!

Who's looking for Doug Thorley Long Tubes NOW????

PM me for best price!
-Ivan
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Old 04-12-2010, 12:01 AM   #59
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Originally Posted by trudawg660 View Post
are these longtubes?
They are long tubes. And the intake was an Airaid.
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Old 04-12-2010, 12:54 AM   #60
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Were the ARH 1 3/4" as well? Any other mods done at the time of the header swap?
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Old 04-12-2010, 01:04 AM   #61
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Were the ARH 1 3/4" as well? Any other mods done at the time of the header swap?
Imagine if it were the ARH 1 7/8's??? LMAO....

Yeah, that's a good question!,
Ivan
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Old 04-12-2010, 11:06 AM   #62
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Were the ARH 1 3/4" as well? Any other mods done at the time of the header swap?
1 3/4" yes, both - and both were tuned.
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Old 04-12-2010, 11:09 AM   #63
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Imagine if it were the ARH 1 7/8's??? LMAO....

Yeah, that's a good question!,
Ivan
I doubt 1 7/8" headers would anything substantial... they don't on the corvette side of the equation. But, anyone wanting to bring by a bunch of headers and spend their time changing them out, is free to find out.
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Old 04-12-2010, 12:26 PM   #64
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So I guess there is still no high flow cat option on the DT LTs?

I like the looks of the Dyno and pricing but not sure I want to go without cats.
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Old 04-12-2010, 11:57 PM   #65
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So I guess there is still no high flow cat option on the DT LTs?

I like the looks of the Dyno and pricing but not sure I want to go without cats.
They haven't released the part number for it but the fact that the 14" piece directly connected to the Long Tube tells me that one could even have a muffler ship weld in a high flow cat.

I'm pretty sure that's what they had in mind when they made them.

I'll pass along any info on this as soon as I know more.

One thing that I can pass on to everyone is that I've driven about 2000 miles since the install and I've had absolutely no complains or issues and everyone asks about em.

They are completely BADASS status.

Shocking that more people don't have them. Advertising is almost exclusively by word of mouth.

Let me know if I can help out with anything or answer more detailed questions.
-Ivan
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Old 04-13-2010, 11:40 AM   #66
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So I guess there is still no high flow cat option on the DT LTs?

I like the looks of the Dyno and pricing but not sure I want to go without cats.
You are in Texas where spiral wound, steel core cats are legal - super high flow and available from LG Motorsports -
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Old 04-14-2010, 01:31 AM   #67
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You are in Texas where spiral wound, steel core cats are legal - super high flow and available from LG Motorsports -
There you go sir!

-Ivan
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Old 04-30-2010, 01:48 AM   #68
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Group Buy on these has been set up in Vendor Marketplace....

-Ivan
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Old 05-11-2010, 09:13 PM   #69
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sorry, im a novice at this stuff and im racking my brain the last few days trying to make the informed decision to buy the right product.....

im tellin ya you guys totally sold me on the DTs....im lookin at matching a DT 1 7/8" with the borla ATAK cat back system (already bought so suggestions on that are kinda mute)...

the only kicker to me surely buying these heds is the cats.....i dont want legal issues and i would really kinda like to have an all in one "ENGINEERED that way" system AND keep within the law...and not throw my ECU through a loop (definately want the warranty so im not tuning til its expired).

advice and product suggestions would be greatly appreciated!!!

the spiral wound steel core cats mentioned above sound like an add-on to this product....what are the drawbacks to doing that setup (...and if i find them acceptable: ) and what are some good brands/vendors to look for for those components.


sorry for being dense on these issues, but im almost jewish with my money
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Old 05-11-2010, 09:15 PM   #70
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lookin good! i've got the DT shorties with basically the same performance gains. didn't want the LTs bottoming out with the lowered suspension.
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