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Old Sep 26, 2012 | 07:32 PM
  #1  
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Hello All..
After 3 months waiting for mods. I changed my heads and downpipes.
Before I had Patriot Stage 3 72cc and 2.5" downpipes with Borla exhaust. Now I have AFR 230 72cc big bore and 3" downpipes with 3" Straight Bullet Dynamax exhaust with 3" X pipe and dump.
The car hit the rollers today at HPSales Pompano Beach, FL on Mustang Dyno and this is the results:

Before Mods:
813rwhp and 863rwtq 20.3psi
534rwhp and 657rwtq 8.2psi

After Mods:
1009rwhp and 943rwtq 20.2psi
619rwhp and 730rwtq 8.3psi

Gained
196rwhp with 20psi
85rwhp with 8psi

These mods make the turbos spin so quick now.



Before and After with 20psi


The tires spin a lot on dyno


Before with 8psi


Now with same 8psi

Last edited by mcantuaria23; Sep 26, 2012 at 08:21 PM.
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Old Sep 26, 2012 | 07:49 PM
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Old Sep 26, 2012 | 08:10 PM
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This car gives me so much inspiration.
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Old Sep 26, 2012 | 08:20 PM
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that is a fawkin huge nuber on a mustang! NICE!
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Old Sep 27, 2012 | 10:06 AM
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Wow! That is sic. How about a link to your setup or a refresher in this thread.

Darion

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Old Sep 27, 2012 | 12:26 PM
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Wow those are eye popping numbers and congrats on going over 1k on a Mustang Dyno, very impressive
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Old Sep 27, 2012 | 01:35 PM
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Thanks guys.
The setup is a 408 iron block, AFR 230 heads, custom Intake manifold, HP Turbo Kit with Precision 57mm .67 A/R 3" downpipes, 3" X-Pipe, 3" Dynamax Straight Bullet Muffler. I also added an oversized radiator with oil cooler that helps a lot. My Patriot Heads Stage 3 didn't hold power over 800rwhp, I replaced my head gasket twice with LS9 and it's still pushing water. So I decided to fix it once and for all. AFR is the way to go. I am very pleased with it.
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Old Sep 27, 2012 | 02:31 PM
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Do you have pics of the 3" down pipes? I don't recall there being any room for that. Who made the DPs?
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Old Sep 27, 2012 | 03:29 PM
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Originally Posted by PhilsZ51
Do you have pics of the 3" down pipes? I don't recall there being any room for that. Who made the DPs?
I wasnt' there when they make it, but I managed to take couple pic underneat of the car. Fit's very tight. Mad's Hatter Mufflers in Pompano Beach, FL. They need the car on site so it can be done correct.





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Old Sep 27, 2012 | 08:54 PM
  #10  
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Holy cow that's sick!

Does the exhaust just dump there right before the diff? Does that make it loud as !@#@ inside the cabin?
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Old Sep 27, 2012 | 09:34 PM
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Originally Posted by PhysicsDude55
Holy cow that's sick!

Does the exhaust just dump there right before the diff? Does that make it loud as !@#@ inside the cabin?
Yeah it's loud but I like it.
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