Headers - ARH vs. KOOKS - Page 2 - Ford Mustang Forum
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post #16 of 18 (permalink) Old 02-23-2016 Thread Starter
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Originally Posted by Grabber05 View Post
I went with Kooks 1-3/4" LT's and a Kooks O/R H-pipe. The guy that did the install has done a tone of work on 5.0's and has found that Kooks are usually a direct fit 99% of the time. However, he has had to re-weld 02 sensor locations on ARH's before, but, never on a pair of Kooks.

My car went from 422 RWHP / 367 RWTQ with a Lethal O/R H and axle-backs to 443 RWHP / 388 RWTQ with Kooks 1-3/4" LT's and an O/R H with a revised tune.

Power and sound is there.

I vote Kooks
Thanks for replying, I've pretty much decided it's going to be Kooks. Seems like it's great quality and less trouble all around.



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Very interesting as you certainly have gotten great dyno results. A lot of it appears to be due to using a ported cobra jet manifold, special throttle body, and an AED tune. I assume you used a dynojet dyno.

I have the same headers with the cats, stock manifold, and Bama tunes and can only manage about 380 hp. I have the kooks catless pipes purchased already but I think my car would get way to loud since it is pretty loud right now. I am tempted to find out what it sounds like and what my gains might be. And after that I am strongly considering an AED tune but not sure if he can tune with Diablosport tuner.


2013 GT, Track Pack, Recaros, Kooks Axlebacks, Airaid CAI, BMR Rear Adj. LCAs, BMR Relocation Brackets, JLT Oil Separator(s), Barton 2 Post Shifter Bracket, Steeda Motor Mounts, Barton Shifter, JHR Clutch line, BMR adj. UCA and Mount, Kooks 1 3/4 headers/catted H, DSS Al Shaft, BMR Loop, Vogtland Sport Springs front/BMR rear, Strange Adj. Struts/Shocks, Extended ball joints, Steeda Bumpsteer Kit, Whiteline Tranny Mount Bushing, Borla Overaxles, BMR Watts, Vorshlag 3" Ducts
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Quote:
Originally Posted by PMDmustang13 View Post
Very interesting as you certainly have gotten great dyno results. A lot of it appears to be due to using a ported cobra jet manifold, special throttle body, and an AED tune. I assume you used a dynojet dyno.



I have the same headers with the cats, stock manifold, and Bama tunes and can only manage about 380 hp. I have the kooks catless pipes purchased already but I think my car would get way to loud since it is pretty loud right now. I am tempted to find out what it sounds like and what my gains might be. And after that I am strongly considering an AED tune but not sure if he can tune with Diablosport tuner.

Hey,

When my car had stock headers I already had the ported CJ Manifold, TB, intake, O/R H and axle backs.

The newer numbers were headers only and swapping to a different O/R H.

It was done on a Dynocom which is the same dyno AED uses which is extremely accurate.

I had some knock in mid-upper range. I'm hoping to go back with 100 Octane or higher and shoot for 450+ RWHP.

I respect Bama as a business, but, they have nowhere near the knowledge of 5.0's as Lund or AED. Everyone I've seen switch from Bama made more power and the car felt a lot stronger and drove better. For basic mods like an intake, Bama is a good choice. For mods more extensive, custom tune should be the only choice.

2014 GT - Track Pack, Leather Recaros, Electronics Package, Back-up Camera - Ported CJ Manifold, SCJ Mono-Blade TB, Custom Intake, Kooks 1-3/4" LT's, Kooks O/R H-pipe, Borla S-Types, AED Tuned - 443 RWHP / 388 RWTQ

Ordered: 3/19/2014 - Built: 5/13/2014 - Delivered: 5/19/2014
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