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Quick Header Question?

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Offline Asbury030

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Quick Header Question?
« on: August 28, 2010, 04:19:19 PM »
So is there any difference between the Doug Thorley and the Calmini header? If so what are they?
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Offline bentparts

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Re: Quick Header Question?
« Reply #1 on: August 31, 2010, 07:14:07 PM »
Design for both is different, collecter styles, length of tubing, finishes, and the 8v and 16v headers are two completely different animals , so you can't compare them. Does Thorley make a header for the 16v?
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Offline djlantis57

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Re: Quick Header Question?
« Reply #2 on: September 05, 2010, 03:42:28 PM »
I'm pretty sure my Thorley header is the ONLY 50-state emissions legal header for the 8v.  Someone correct me if I'm wrong but I don't think any others are 50-state compliant.
Calmini's looks the same so you may be able to "fool" a smog tech if you provided the E.O. # from the Thorley header.
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Offline hoserjoe

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Re: Quick Header Question?
« Reply #3 on: September 06, 2010, 01:29:07 PM »
Quote from: Asbury030 on August 28, 2010, 04:19:19 PM
So is there any difference between the Doug Thorley and the Calmini header? If so what are they?

Honestly, neither of these is much of a deal compared to the stock unit.  The stock 8V cast-iron header is a really nice 4-into-2 unit with a 2" outlet that cleans up nice and lasts forever.  The after-market tubing headers don't add anything & are just a joke.
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