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My 2011 Mustang 5.0 is Procharged. I am presently running 8 pounds of boost on 94 octane fuel. I am considering a smaller pulley to get the boost up to around 9 pounds. I will be getting it retuned on a dyno. Is anyone running 9-10 pounds of boost on a stock motor ? What do you guys think is...

I want to put long tube headers on my 2011 Mustang GT. It is Procharged. Is there a way to pass OBD II emissions without cats, if I put on empty cylinders that look like cats to pass visual ?

I am trying to get a straight answer. I have a new set of American Racing Headers , in 304 SS. I have heard arguments , that it isn't worth getting stainless heads ceramic coated. Ive read that they insolate heat better than mild steel tubes do. My primary consideration is keeping underhood...

When considering ceramic coating on headers, does the color of the coating matter with regards to heat reduction in the engine compartment ? I have a choice of black, cast iron or silver.

I have read that ceramic coating headers with catalytic convertors can cause damage to the cats due to putting excess heat into them. Internet fallacy, or truth ?

I have some 02 extensions for my headers. I plan on stacking them by 2. ( they are each about 1" long) Anyways, the hole through the middle is just over 1/2" Im making a restrictors for the ends to let less exhaust gas get to the rear sensor. What size hole would be best to put in the...

I have a new set of stainless steel headers. im thinking about getting them ceramic coated. I guess what Im asking is, is it worth getting them coated from a performance/ heat reduction point of view ? Also , I have the choice of black, cast iron, and silver color. Any advantage to one color as...

I am considering a boost a pump for my Procharged 2011 GT. Is the Kenne Bell unit good or are there better units out there ? Are there any precautions, or things to beware of when running boost a pumps ? Would appreciate feedback.

As some of you know from my recent postings, I am considering longtubes. My main concern, is being able to pass OBD II emissions testing with them. I have spoken with my tuner, and he is looking into it, as in, he is going to consult with another tuner he knows to see what has to be done. So...

For the guys with JBA headers on 2011 and up GT's. How were they to install and how do they fit ? Also, did you need 02 sensor extensions front and rear ? Im planning on the catted H pipe.

I have 52# injectors that came with my Procharger stage II kit on my 2011 GT. Are they large enough to support 600 rwhp ?

I was inquiring at one of the vendors as to whether or not they could get American Racing Headers with an H pipe instead of an X. they recommended I stay with an X pipe because they said it would scavenge the cylinders better and that the H pipe would be more restrictive and cause a rich...

I have a Procharger stage II. Im currently running it at 8 pounds. Im thinking of increasing boost to around 9-10 #'s . I have 52 # injectors. What do you guys feel is a relatively safe boost level on a stock bottom end ?

I am considering headers on my Procharged 2011 GT. I know Kooks are great headers, but I hear they fit very close to the starter. The American Racing headers look like the fit well. Does anyone have JBA headers installed. If so , how do they fit. ? What I like about them is for the money they...

My 2011 is Procharged and dyno tuned. I am running stock factory headers and cats. I plugged in my scanner and it shows 3 not ready codes. What could cause this ? And what can be done about it come emissions testing time ? Do I need to call my tuner for a revision ? PS. Don't anyone start...

I am very active on another forum. Time to start posting on here lol. Anyways. My 2011 GT is Procharged at 545 rwhp. I am considering installation of long tube headers and high flow cats. I have heard various opinions as to how effective long tubes are on a supercharged application. Will...