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  1. Classic Tech
    I'm going to post this in 5.0 and classic tech since it applies to both. (Cross posting not allowed, removed by moderator) What I have: I have '65 mustang with a '86 302 block with '85 mustang HO heads and a '95 T5 I added in. I originally had Headman long tube headers that were set up for the...
  2. Exhaust
    I have BBK shorty headers and just installed a new x pipe cat delete pipe, Bama doesn’t tune out rear o2 sensors anymore so I tried the o2 spark plug fouler trick, I am throwing 4 codes. P0161- I have no idea what causing this P1000 - I get this is just a cause of having codes P2270-bank 1...
  3. 2011 - 2014 V6 Mustang Tech
    Hello, I've just bought SCT X4 for my 2011 3.7. But even after all updates etc. there are no options for intake (only stock and STEEDA), option "headers" is not here, throttle body also not. There is just "fuel octane", diff gear ration, revs/ mile, idle neutral, idle gear. And that is all. Does...
  4. 2015+ 5.0 Mustang Talk
    I have a 2017 5.0 with only a ford racing x-pipe/res del. and roush axlebacks. I am debating adding a set of long tubes (obviously accessory parts/tune), but not sure what the best addition would be. I'm wondering about fitment, and whether there is a setup I can throw on without needing a new a...
  5. 2011-2014 Mustang Talk
    Hey guys, I picked up my 2011 Mustang GT 5.0 at the end of last summer. I'm about to pull the trigger on: 1) Kooks Long tube headers with catted H Pipes. (Question 1) -I've been reading that the X-Pipe gets better gains but it's negligible, and I want the deep muscle car sound rather than...
  6. 2011 - 2014 Mustang GT Tech
    Hey guys, Well summer is coming and I'm looking for some advice on some mods I'm considering. I have a 2011 GT that I picked up at the end of last summer, and the original owner put in the Flowmaster Axle-Back Exhaust. That said, a few things that I've wanted to do to this car first: - Long...
  7. V6 Tech
    Okay I'm currently projecting on my 2003 Mustang and my only question is are the headers reversible? so instead of the down position can I rotate them the other way, or are the dimensions not right to bolt it back on the other way?
  8. 2011-2014 Mustang Talk
    HELP!! Present ideas for boyfriend's 2012 S197 GT I've never had a harder time getting a present for my boyfriend in my life! He has a 2012 Mustang S197 GT V8, on bags, supercharged, etc. just hit 712 rwhp on the dyno a few days ago, and I want to get him something to add to his car, but I have...
  9. Classic Tech
    Hey fellas. Just have a real quick question. I have a '68 Mustang with a 302 out of a '72. I bought the motor off of a guy who had done some inside work to the motor. Bigger pistons, cam etc. But when he sold it to me, he wanted the headers for his other project car. The only thing I had were...
  10. 2005-2010 Mustang GT Tech
    Hey guys I'm just finishing up my header install. As expected it was a huge PIA and I broke off a manifold bolt AND the dipstick tube trying to get it out. We have a replacement dipstick tube on order, but would it be okay to start it up with a cork in the hole for like a minute or less until it...
  11. 2005-2010 Mustang GT Tech
    Has anyone ever made a sort of quad exhaust, buy using a side exhaust kit (Like Cervinis) combined with the dual rear exit exhaust? After I install headers (Hopefully soon), I'm going to install new axle backs to keep the noise reasonable for daily driving (But not too quiet ;) and cutouts for...
  12. 2005-2010 Mustang Talk
    Ok guys, my question is what physically makes an exhaust system sound deep, muscular, bassy, whatever you call it. Is it merely displacement? My brother has a 2006 GTO that has the same axle backs as my 4.6L GT (Flowmaster American Thunder) and that thing is unbelievably deep sounding. It's...
  13. 4.6L Tech
    My brother recently had a 1998 mustang GT project. He swapped it out with a 2004 crown Victorian 4.6L engine. The headers are messed up on it so I'm looking for some long tube headers. I was wondering if the long tube headers from a 1998 mustang GT 4.6L engine would fit to the crown vic engine...
  14. 4.6L Tech
    Hey guys. I have an 02 Mustang GT and was wondering, If I put on the parts below, what kind of power would I expect to get from it? Parts I already have : Flowmaster off-road H pipe, K&N Air intake Parts looking to put on : BBK longtubes, SR performance 70mm TB, and a BBK underprice pulley...
  15. V6 Talk
    Hi My name is Jonathan and I have recently bought a 2001 automatic v6 mustang, I have already performed maintenance on the vehicle but would like to improve the performance on it significantly. I am not sure where to start so if anyone has any advice I would greatly appreciate it. Progress will...
  16. 2005-2010 Mustang GT Tech
    I have a 2005 GT and I recently just put a new engine in my car last week. I have BBK longtube headers and BBK shorty x-pipes. I heard that if I put in this exhaust set up with out getting my car dyno tuned that it will screw up my car. I literally just replaced my engine with a brand new ford...
  17. Classic Tech
    Hi guys, I am nearing completion of my 1965 Mustang Inline 6 200 coupe resto-mod and it does not have an exhaust system. There is no exhaust manifold or headers on the car now, and my question is which should I put on? Headers or a manifold? Car will be my daily driver so I'm much more...
  18. 2011 - 2014 Mustang GT Tech
    Hi all, Im still fairly new to modifications and I dont know if this question has been asked before or not but here it is anyways. I currently have the Flowmaster Outlaw Cat back exhaust on my 2013 Mustang GT and planning on installing headers and mid pipes (or whatever other parts are left to...
  19. Classic Tech
    Hey all, Looking to get a set of headers for my 351w in a 65 mustang. Theres a set of swap mid length headers out there by Hedman that I want. I have read that long tube headers give better mid to high rpm performance and the mid lengths give better low end to mid range power (I spend more...
  20. 2005-2010 Mustang GT Tech
    Hey guys I'm currently debating over long tubes or cams. I'm after an old school muscle car growl, and so far I just have the Flowmaster Outlaws. I think they sound great, but not as deep/rumble as I hoped for. However they're loud, and I'm worried they might be too loud if I got long tubes. Do...
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