Re: Why not Gibson headers?
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Originally Posted by 2000LtdKen
When I was looking around for headers, I searched these forums and found people who had dynoed their trucks in different configurations. I do believe that JBA did not produce the most hp, that went to some long tube headers. JBA was a direct bolt in with no welding. That is a big deal. The JBA+stock pipes+Gibson muffler produced the best torque gains for towing and this is something I do a lot. Read carefully Grass Hopper! You will find all you are searching for...
hth,
Ken
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JBA is a shorty header. Ive never seen a Gibson header for a Tundra, but if it bolts to the stock headpipe, then its a shorty header as well. The longer the primary tubes, the more torque you get. Downey headers are a mid length header. In CA they are legal 2000-02. S S headers are long tubes (and very expensive) and not legal in CA regardless of year.
I split the difference and installed Downey headers on my 04 with Hi flow OBD2 cats, redid the Y pipe, 3" single exhaust. It flat out hauls ***. I have no problem towing my toybox (5000lbs or so loaded) to the desert with 33" tires and stock gears.
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Mods: Donahoe TCF coilovers, TC upper arms, rear Bilstein 5100s, Downey headers, 3" exhaust with Spintech Prostreet, BFG MT 285-70-17s on Helo Maxx 6 Chrome, Electric Brake controller. Tsunami RCA converter, PIE AUX adapter, LA Sound amp, MTX 10" band pass sub.
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