power

  1. Powertrain Malfunction / Reduced Power on 2020 Cobra GT 500

    I recently purchased a 2020 Cobra GT 500 and was enjoying it quite a bit. This past weekend during a drive with one of my kids, I started to accelerate from a light, and suddenly the car started jerking back and forth, as if it couldn't properly shift. Then, the orange wrench icon appeared on...
  2. Plenty of Walbro fuel pumps in stock here at Lethal Performance!

    We just got in a huge shipment of Walbro fuel pumps here at Lethal Performance! All different LPH available and ready to go! Don't see what you're looking for? Have any questions? Want us to put together a full fuel system for you? Feel free to shoot us a message or give us a call at...
  3. Need more torque! Help :)

    Running a v3 si blower with FBO. Pushing 680rwhp and 515torque. Boost on supercharger is about 8.5psi. Can increase boost after I do the rods/pistons/sleeves. What else can help me bring the torque up?
  4. Palm Beach Dyno up to $100 off for Lethal Performance's 6th Day of Christmas!

    On the 6th day of Christmas, Lethal Performance gives to you... Palm Beach Dyno! Let's take your build to the next level with some more power. Today only, enjoy $50 off Tune Only & $100 off tune + device! Don't see exactly what you're looking for? Have any questions? Feel free to shoot us a...
  5. Car battery nearly drained after sitting for nearly 30 minutes?

    I have a 2016 Ecoboost Premium. Now that fall is upon us and the weather is cooling down I like to sit in my car on my lunch break with the windows down. I roll the windows down, turn the car off, and turn the infotainment screen off to save power. It doesn't sit in power accessory mode, it's...
  6. NOW TUNE MERCEDES, 2017 GMs, AND 2010-12 CUMMINS WITH HP TUNERS VCM SUITE 3.4 RELEASE

    NOW TUNE MERCEDES, 2017 GMs, AND 2010-12 CUMMINS WITH HP TUNERS VCM SUITE 3.4 RELEASE BUFFALO GROVE, IL—Mercedes fans, brace yourselves—HP Tuners now offers custom engine tuning with its latest update to VCM Suite. The addition makes it the first software of its kind to provide the range of...
  7. New BORLA XR-1® Tuner: Add 40HP to your 2015-2017 Mustang 2.3L EcoBoost Instantly!

    New BORLA XR-1® Tuner: Add 40HP to your 2015-2017 Mustang 2.3L EcoBoost Instantly! The Borla XR-1® Tuner represents the latest technology in vehicle performance electronics and is engineered to improve torque and horsepower in turbocharged cars. Find out more at...
  8. Psychotic last night: newer Mustang engine quit.

    16 GT A6 w/Roush SC. 2450 miles or so. Raining pretty good around here... temp about 60 degrees. Leave my house, drive about half a mile, and the engine dies while I'm driving. (Just took a left turn from one road to another.) Pull over. Hit the start button, the engine starts... sorta...
  9. NEW PRODUCT: CP-E Atmosphere Kit for Mustang Ecoboost

    Hey Everyone, We finally released our ecoboost mustang turbo kit. We have two different options. First up is the precision based kit. With a wide variety of turbos available and a external wastegate with optional reroute of the wastegate or open dump. This is the exact turbo kit...
  10. Power Outlets issue

    Hello All, So I've had my new whip for about 4 weeks and im loving it! Some small things bug me. For instance, I have a dash camera installed and plugged in using the center console power outlet. Previously in my '99 *Cough* accord the dash cam would power off when I shut down the engine and...
  11. Cobb Accessport V3 ??'s

    Looking to finally buy a Cobb AP v3, but I'm curious if anyone knows any companies that offer any discounts or promo codes, less than Cobbs $500? Any suggestions where to purchase from?
  12. Downpipe performance comparison!

    Lets try to use each other as much as possible! Looking for votes on who makes the best downpipe setup for this car. Please take into consideration sound, overall performance gains, fitment, and build quality! It looks like there's a decently long list so I hope this thread will be...
  13. Does the resonator have downsides with headers?

    ATM I have a muffler delete. My headers shold be coming in within a couple days. My car is already a little infamous where I live with the cops so I don't want to be insane loud. I have a hpipe resonator delete coming as well. I was wondering, if I install the muffler delete resonator and...
  14. EB vs 1998 M3

    So, my buddy has a friend who swears his older m3 will walk all over my EB. He won't say what mods he has, if any. M3 is way lighter, but only rated at 240hp, and yes I know Bmw always under rates their engines. Also, my EB is stock with A/T. I would love to hear some peoples thoughts on this!


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