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  1. DON'T DO IT: non-catted LT's, x pipe, Roush AB

    Have this setup except with an h pipe. No drone. Cold starts are wild. Driving around the car is only as loud as your foot. WOT singing to 8k be prepared to wake the death.

  2. Bad drone from Roush AB

    Longtube headers/h pipe/Roush AB no drone. MT82 car wit 3.73s. You can hear the exhaust when cruising but it isn't a resonating drone sound.

  3. GT350 IM/Paxton users help!!

    Take pics if you can. Thanks

  4. Datalog Knock

    You were picking up near 1 count at wot. Car is barely pulling 25* of timing and drops off quick as well. Trust your tuner and do what they ask. That’s what you paid them for.

  5. GT350 IM/Paxton users help!!

    Any information on how the setup for the vacuum lines is regarding the gt350 mani paired with the Paxton?

  6. LT Header install question

    Did it the other day. Took about 3-4 hours on a lift with a couple buddies. Removed majority of the studs to get it to fit. Everything is pretty much straightforwarded just time consuming.
  7.

    Mak Cat Deletes

    Looking for $300 shipped. Includes the driver side manifold with the flange already welded for an easier install. Link to image. For some reason it wouldn't embed. https://imgur.com/uMDBd7S Sold. Mods please lock

  8. 2016 Mustang GT Metallic Can Rattle Sound

    Rasp from your exhaust combination. Running headers with no cats. Get some resonators

  9. Kooks catless headers, roush ab and hpipe?

    Depends on my mood haha it gets a lot of attention. It drives fine. It bucks etc hanging at lower rpms etc like a cammed car but I've dailyed it for weeks with no issues.

  10. Kooks catless headers, roush ab and hpipe?

    Nuh uh that's with the Lethal Performance h-pipe they sell

  11. Kooks catless headers, roush ab and hpipe?

    Tone is gonna be deeper cause of the h pipe but loudness wise it'll be real similar. Here's one of my car

  12. Kooks catless headers, roush ab and hpipe?

    I have Mak cat deletes h pipe and roush mufflers. It's loud no doubt. Sounds like a monster going down the road. It's somewhat controllable based on how you are on the throttle. Wide open throttle and you'll be heard a mile away. Tone is nice though and there's no drone even at highway speeds...

  13. I have a dilemma. I need quiet horsepower. Pics included

    Nitrous

  14. GT350 IM + Stock Clutch =??

    Hmmm stock clutches just blowing apart.... how many miles

  15. GT350 IM + Stock Clutch =??

    I know for the s197's a lot experienced high rpm gear lockout etc when shifting at 7200+. Are these problems still as prominent in the s550?

  16. GT350 Intake Manifold and Throttle Body now Available..........

    Quote shipped to 39532 for the intake manifold and throttle body. Thanks

  17. 2015-2020 Mustang GT Cat Delete Pipes: First To Market and The Original Cat Deletes

    I remember someone did a comparison and longtubes had a 6-8 rwhp higher peak in the upper rpm. Lower and mid was identical

  18. 2015-2020 Mustang GT Cat Delete Pipes: First To Market and The Original Cat Deletes

    With you being supercharged I'd do it for the performance gains alone. It is loud though. Like ear piercing loud at wot if someone is behind you. H pipe with roush mufflers is loud no doubt but this could be considered stupid loud.

  19. 2015-2020 Mustang GT Cat Delete Pipes: First To Market and The Original Cat Deletes

    Got around to another video of the roush mufflers with the mak cat deletes. Had the ghost cam tune on for this one. Enjoy.

  20. 2015-2020 Mustang GT Cat Delete Pipes: First To Market and The Original Cat Deletes

    Cruising around town i normally shift around 2k and it's still quite loud. If you're very soft on the pedal and accelerating slowly it's not too bad probably around the same as before the cat deletes. Get in that 2.5k range and it ramps up quick in the volume. WOT at 7k = hear you a mile away. I...


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