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5.0

  1. Returning whipple 16 mustang to stock

    Does anyone have experience with returning a whipple 5.0 to stock? Its a stage 2 2.9 whipple. Ik ill need fuel rails, heater hoses, tb, etc. im trading the kit so ill need to make sure he gets everything he needs to install. Any help or input would be greatly appreciated.
  2. Pennsylvania 2017 Mustang GT Hellion Turbo

    2017 Mustang GT Base model - 40k miles Price: $32,000 Issues: Wheel bearing failed - no power steering or abs due to it Didn’t drive it for 6 months and turbos starting smoking next start up - rebuilt by precision 6 months prior Carbon fenders oxidized from sitting outside Needs new...
  3. Help Me With My Build Sheet (2020 5.0 10 Speed Auto)

    So I'm looking to build my 2020 5.0 to about 750 crank horsepower. I want to go the Procharger route. But I need a bit of help planning it out so I don't accidentally blow up some other internal parts in the car. I've already picked the tires I want, but I need help with everything else... So...
  4. 2018 Intake Manifold Upgrade Help!!!!!!

    Hello all! I have a 2016 mustang gt 5.0 It has a bama (src) 93 tune, mbrp exhaust and rousch cai. I purchased a 2018+ ported intake manifold from a guy on ebay, it has the mmr lockouts, and has f150 map hole in the back which I plugged. He purchased it from beefcake racing who apparently has...
  5. 20220630_181215.jpg

    20220630_181215.jpg

    2019 GT PP1 10R80 Premium, RPG built/sleaved 5.0, Hellion Twin turbo (undermount kit) 62mm, BMR Rear suspension, DW400 Fuel Pump, IRMC Delete, Eboost2 Controller, SVE 19in S350 Wheels, 305 Nitto NT05R
  6. Stroker / Bore thoughts?

    Having to rebuild my engine and saw a stroker kit from mmr with bore sizing options. https://www.modularmotorsportsracing.com/cart/index.php?main_page=product_info&products_id=1056 Although as I understand to get to a 3.7 bore you need their sleeve kit...
  7. What Comes After Basic Bolt-ons?

    I have a 2019 GT (6-speed) and I have a JLT CAI, kooks 2 7/8 long tube headers, and exhaust with a 93 octane tune from Shrader Performance (not a dyno tune). Unfortunately in my area I don’t know where I can find E85 and that kinda kills me, but it is what it is. What comes next? How can I make...
  8. V8 5.0 2019 Mustang GT non premium non active to active exhaust

    As the title states I want to change my 2019 Mustang GT non premium non active exhaust to active exhaust can I do it with the base cluster I have? and what kits are out there that are easy install?
  9. Georgia Stainless Power Headers for '15-20 5.0L

    New in box set of Stainless Power headers for a 2015-2020 5.0L Mustang, part #SM15HOR. I bought them for my 2017 GT but ended up selling the car. Everything is new; I only opened the box to take the pictures. Local pickup preferred if possible. I am about 45 minutes north of Atlanta in NE...
  10. Ebay Headers (2021)

    Anyone bought these eBay headers? I'm a cheap piece of shit and I would rather buy $400 headers than $600 headers lmao. I already plan on basically building the whole exhaust. I do want the performance gain... And am a little afraid these things will leak and perform worse than stock. What are...
  11. wheel fitment question

    i have a 2015 mustang and i want to run 19x11 +22 offset with 275/35/19 wheels i have a friend that has the same mustang that i have and he is running 20x10.5 +35 offset on 265/35/20 and his fitment is flush in the rear but in the front he added a half inch mm to clear the brakes. he is also...
  12. Mystery Misfires (p0300 went away by itself but $06 says otherwise)

    So I’ve had an issue with p2004/p2005 and p0300 early on but p0300 went away on its own a week ago(?). I did an IMRC lockout on the intake manifold with a PBD tune and there’s been no check engine light since. HOWEVER. I like to look at all the diagnostic data because I’m paranoid since I got...
  13. Florida 18+ JLT “Carbon Fiber” Intake

    Used JLT intake, no airbox $120 obo shipped
  14. 1320 Hand Ported Cobra Jet Manifolds at Lethal Performance!

    Stock Intake not doing it for you lately? Feeling limited? Well do we have the answer for you... 1320Junkie just dropped their PORTED COBRA JET Intake Manifold. This is the answer to intake all your solutions. If you have any questions on concerns reach out to us at 561-753-8105!
  15. 1320 Hand Ported Cobra Jet Manifolds at Lethal Performance!

    Stock Intake not doing it for you lately? Feeling limited? Well do we have the answer for you... 1320Junkie just dropped their PORTED COBRA JET Intake Manifold. This is the answer to intake all your solutions. If you have any questions on concerns reach out to us at 561-753-8105!
  16. 1320 Hand Ported Cobra Jet Manifolds at Lethal Performance!

    Stock Intake not doing it for you lately? Feeling limited? Well do we have the answer for you... 1320Junkie just dropped their PORTED COBRA JET Intake Manifold. This is the answer to intake all your solutions. If you have any questions on concerns reach out to us at 561-753-8105!
  17. UPR Products Catch Can on a NEW Ford F150 5.0L here at Lethal Performance!

    GOT SLUDGE in your NEW F150? Ew. That's where @uprproducts & Steve, aka @thecatchcanman, come in. The UPR Products catch can gets it’s name because it CATCHES unwanted contaminates and holds onto them, keeping them from going further into your intake tract & more, creating the unwanted SLUDGE...
  18. Virginia 2020 GT Premium California Special for sale, Only 2k miles

    I'm Based in northern Virginia and hate to let this beauty go. I had it brand new in Oct 2020, and drove only 2000 miles since then. I'm the first and only owner. Always garage kept, and never drive in the rain. No modification at all. I'm selling for $49,500 OBO. manufacture warranty Must deal...
  19. COBRA JET MANI ON GEN2 ADVISE??? #HELP

    Hi guys! So recently I was looking for a ported 18 manifold but decided to go with a Cobra jet to max my NA build with no regrets lol so anyways... Has anyone here installed the Cobra jet on an S550 2015 Gen 2 model? I know you either can use lowering mounts to fit the stock hood but I dont...
  20. 2020 5.0 Mustang Engine Whine (What is this?!)

    Hey everyone, so I’m new to this forum but I heard it’s the place to take any hard to answer questions or concerns. I have a 2020 5.0 mustang that makes this annoying whining sound whenever I’m idle, which pitches higher when I’m revving up/accelerating. I can hear it best if place my ear next...


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