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Camaro V8 LS3 / L99 Engine, Exhaust, and Bolt-Ons Bolt-Ons | Intakes | Exhaust

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Old 03-02-2010, 11:06 PM   #1
scrboy2002@aol.com
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Red face Dough Thorley Shorties, What ELSE?

IM looking to completely redo the exhaust system; headers to tips.
Im absolutely going with the Dough Thorley shorties.
I need to stay smog/emissions legal, and can spend the $ on the shorties.
What should i match it with? What pipe, what exhaust system? what exactly is everything else im going to need to completely redo the exhaust system.
emails to dframptonot@gmail.com

thanks!!!!
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Old 03-02-2010, 11:39 PM   #2
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Quote:
Originally Posted by scrboy2002@aol.com View Post
IM looking to completely redo the exhaust system; headers to tips.
Im absolutely going with the Dough Thorley shorties.
I need to stay smog/emissions legal, and can spend the $ on the shorties.
What should i match it with? What pipe, what exhaust system? what exactly is everything else im going to need to completely redo the exhaust system.
emails to dframptonot@gmail.com

thanks!!!!
Why not a Thorley cat back???

-Ivan
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Old 03-03-2010, 05:26 AM   #3
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Bad Karma.
I like the way you think!
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Old 03-03-2010, 05:27 AM   #4
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Any model suggestions?
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Old 03-03-2010, 09:06 AM   #5
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Or have a shop custom build you a Catback system with the mufflers you want. That's what I did and am very pleased. My clip is in my sig. I was so very tempted by the Thorley Catback and was on the list for a while but the delays wore me down and decided to do my own. Can't go wrong with the Thorley Catback either in my opinion. They have a great video clip of a dyno.
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Old 03-03-2010, 10:10 AM   #6
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Here's a link to the setup I'd use:
http://dougthorleyheaders.com/products/productID/1044

I got a line on the setup for way less, new in box from a Distributor.

Like...$250 less than what the MSRP is.

PM me if you want his info.

-Ivan
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Old 03-03-2010, 12:44 PM   #7
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I have DT shorties with stock cats and Solo Mach-X cat back and I love this setup! Sounds great, easy install, very clean look, and good seat of pants performance with no issues or codes! The Solo has 1 single mid-muffler/X pipe then 2 1/2" pipes to the tips and perfectly symetrical! There are many sound clips if you do a search or look in the exhaust compilation thread! Good luck!
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Old 03-05-2010, 02:18 PM   #8
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Red face Thanks

thanks so far.
what else am i going to need for the shorty header to thorley cat back? high flow cats? if so, anyone have a link? any other pipes. etc.?
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Old 03-05-2010, 02:18 PM   #9
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Talking

Quote:
Originally Posted by Bad Karma View Post
Here's a link to the setup I'd use:
http://dougthorleyheaders.com/products/productID/1044

I got a line on the setup for way less, new in box from a Distributor.

Like...$250 less than what the MSRP is.

PM me if you want his info.

-Ivan
pm will be very soon. gotta get another paycheck
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Old 03-05-2010, 10:21 PM   #10
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pm will be very soon. gotta get another paycheck
Sounds good. Lemme know how I can help.

As far as "what else" I'd like to think that DT would include the pieces to connect the shorties up to your potential catback, but looking at their website, I don't see them included. I would definitely call them up and shoot them a quick question as to how they intend to connect the shorties to their catback.

They have to have a solution.

I'll talk to my guy Monday and ask him if he knows. I'll keep in touch.

Have a great weekend y'all,
Ivan
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Old 03-05-2010, 11:44 PM   #11
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Quote:
Originally Posted by Bad Karma View Post
Sounds good. Lemme know how I can help.

As far as "what else" I'd like to think that DT would include the pieces to connect the shorties up to your potential catback, but looking at their website, I don't see them included. I would definitely call them up and shoot them a quick question as to how they intend to connect the shorties to their catback.

They have to have a solution.

I'll talk to my guy Monday and ask him if he knows. I'll keep in touch.

Have a great weekend y'all,
Ivan

Please, do let me know.
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Old 03-06-2010, 10:32 AM   #12
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Quote:
Originally Posted by Bad Karma View Post
Here's a link to the setup I'd use:
http://dougthorleyheaders.com/products/productID/1044

I got a line on the setup for way less, new in box from a Distributor.

Like...$250 less than what the MSRP is.

PM me if you want his info.

-Ivan
Just found this,http://marylandspeed.com/doug-thorle...23-p-2813.html

Doing a search for parts prior to my Camaro getting ordered, thanks for the tip's Ivan
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Old 03-06-2010, 05:14 PM   #13
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does that doug throley kit include an x-pipe.
its a different color in the pic. just wondering.
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Old 03-06-2010, 10:41 PM   #14
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Yessir. Incluldes the X-Pipe. The one in the picture was the initial prototype. I'll make sure and take pics once I unpack and prior to install.

It's a nice setup....only thing I'd change would to make it a 3" system but then again, I honestly don't think that it would make a hell of a difference between 3" and the 2.5" that it comes.

SSRSMAGNACONV-You're absolutely welcome! Hope you go with this as well....looks like it's top shelf stuff and so far,the service has been awesome!

Thanks!,
Ivan
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Old 03-07-2010, 06:08 PM   #15
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have they done a dyno run with both the headers and cat back system?
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Old 03-08-2010, 02:30 PM   #16
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got an e-mail from Thorley, they have not tested both shorty headers and cat back exhaust together, but suggest you add the numbers together and deduct 15%.
works out to 23 horsepower and 47 torque.
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Old 03-08-2010, 10:19 PM   #17
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You know, without a graph showing numbers of the actual system installed and run on a dyno you might as well throw stickers on the car and pull a number out of thin air. IMHO

-Funk
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Old 03-09-2010, 08:18 AM   #18
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just passing on the information, not agreeing with it, reminds me of all the fuel savings gizmo's you can add to your car such that you have to stop and drain out the excess gas,
they are not additive.
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