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  1. P0135 after LTH install, how to fix?

    I have a 2016 GT that I installed LTH on (well, paid someone else to). They came with cats and we used o2 extensions. I drove it home fine and then did a data log for my tuner later that night, but during my pull, something strange happened and felt like I lost power, sent the log to my tuner...
  2. Mufflers for a car with headers

    Hello, I have a 2021 GT 6 speed with LTH brand catted long tubes, x pipe, and Roush axle back mufflers. Loved the roush before I put the headers on, now it is a little too loud. I love the black roush tips and they have a sweet R on them, I’d like to keep the tips and swap the mufflers to...
  3. Headers installation

    Hi everyone im located in Minnesota looking for some to do the headers installation for me and i ll pay him shops is so expensive in here 2017 mustang gt
  4. HEADERS IN STOCK AT LETHAL PERFORMANCE!!!

    If you walked into our warehouse right now, you'd think we're hoarders. Header-hoarders that is. Do us a favor and log onto...
  5. B . H . D at Lethal Performance!

    Best Header Deals, period! Let us help you flow it from start, continue or complete your build with the best deals out there! Multiple brands in stock and ready to go! Don't see exactly what you're looking for? No worries, just give us a shout and we'll be more than happy to get you what you...
  6. Corsa Sports Catback Review!

    I recently purchased my 2016 Mustang GT and the previous owner installed Cat deletes / removed the catalytic converters mounted to a Roush X-Pipe paired with Roush axle backs. The Car was obnoxiously loud and it was not a very refined sound either, just volume. I knew I needed to change the...
  7. Team Beefcake Corsa Sale

    ~Starting Now *Sale Ends June 30th Brand: CORSA Performance ✔️ $150 Rebate on headers and exhaust systems. �� https://www.teambeefcakeracing.com/corsa.html Hit us up direct for special forum member discounts
  8. Header Installers in So-Cal

    I'm going to be buying some LT headers from a local guy, but my gripe is I don't have the time to sit and invest 8 hrs of my day as I only get 1 day off, and that's family time. I was inquiring to see if anyone knew, and or wanted to do a header install, and as far as pricing went, what the...
  9. Header Install Woes :( (Pypes..)

    Guys, looking for some advice on two issues with my headers install and how to resolve them?? :cheers: beefcake cough cough Installed the pypes headers with the following issues: 1) Steering shaft is rubbing against one of the header pipes. I did not try going in the car and turning the...
  10. What LTs Bolt directly to 3" Borla w/o step?

    I have the Borla 3" CB and was hoping to mate it to a LT (catted) that doesn't step down to 2.5" like the factory setup. It looks like the Stainless Power is a straight 3" pipe but it mentions bolting up to the SW catback. Does anyone know if it will bolt up to the Borla without modding the...
  11. Header rub

    Anyone have any issues with long tube headers rubbing the chassis of the car? Had them for 2 months now and nothing. Then I drove today and anytime I turn left I get a rubbing/vibration noise. But only when turning left. Also when I'm coasting out of gear and engine rpm is at idle I can slightly...


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