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  1. Texas speed headers logo not on flange

    Just got them welds seem to be alright. There’s no TSP logo on the flange and one of the o2 extensions the little plastic clip with the buckle broke. Do all their headers have the logo or just some
  2. Lund Tuning a 10r80 questions

    Cool thanks
  3. Lund Tuning a 10r80 questions

    All right cool just wanted to double check thanks
  4. Lund Tuning a 10r80 questions

    This is for data logging purposes he said the once the tune is loaded I can drive how I want but to data log and send it to him
  5. Lund Tuning a 10r80 questions

    Got the Lund tune already just waiting the n gauge and headers to come next week. Tuner said that I can load the tune before or after headers ( I’ll do it after). Main thing though is he said (In 2nd or 3rd gear do a couple SLOW RPM climbs from 2500-5000 RPM. DO NOT go WOT. Stay part...
  6. 2018 GT stock Header bolts size?

    Ordered TSP headers but lethal performance is sold out of the ( 46 ARP 15.5-18 header bolts) does anyone know the dimensions of these? Lethal doesn’t have any in stock to tell me and ARP can’t tell me anything thanks
  7. 2018 gt question about adding LTH

    I saw that on this forum before but some people said it was the tune so idk also I’m just doing long tubes and a vmp tune. Idk if a aftermarket cold air intake makes a difference vs the stock air box in the low rpms with headers.
  8. 2018 gt question about adding LTH

    I have a 18 gt with a borla atak catback been looking at kooks and arh for lth headers. Got the car new and it has a little over 18k miles on it. I’m close to vmp in Florida so the tune isn’t an issue. If I do this though I’d void my warranty. How has your car been after a few thousand miles...





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