Want a free set of headers? JBA Headers (San Diego, CA) is in need of one 2002 Sequoia 4.7L with at least 4000 miles and a ULEV status as indicated on the under hood emissions sticker. The vehicle must be mechanically unmodified and be located in San Diego or Southern California. JBA's R & D team will need use of the SUV for a period of two weeks during which time the vehicle will have a new set of stainless steel JBA Cat4ward Headers (pn 2010S) installed. For your assistance, your vehicle will be returned to you and the installed headers will be yours to keep. If you have alternate transportation and your Sequoia meets the above criteria.
I'm interested in adding either a TRD or an OEM exhaust system to my 2001 Sequoia Limited 4x4. I know that the TRD is a single, Cat-back system, though I'm hoping for a dual system from them soon. Anyone aware of TRD R&D work for a dual option in the near future? Otherwise, does anyone know of a dual OEM that isn't too loud but certainly adds some character to the Sequoia?
Boone and I have the Borla Dual exhaust system that is used on the TRD Sequoia. Last I heard is that the system was developed for Southeast Toyota (SET) dealers. We purchased our setups from a dealer in Florida.
TRD makes v8 headers, as far as I know. If not downey off road makes a 4.7 header. bolt up those bad boys, get some high flow dual cats from wherever you can find em, some mufflers (again, wherever you find em), and have and have a muffler shop weld it up for ya.
You could always find yourself a good muffler shop and have them Custom Bend you a dual exit set-up.
You will need a two in two out muffler. There are bunches of choices.
I had this done a while back.
Click on my "website" button to see my photos.
markandpatti, welcome to TS! Get the Borla's! They definitely add character to the Sequoia and are not too loud. Here's a past thread where we talked about the Borla Duals for your reading pleasure. If you have any questions, please let me know.
sayheymj is another member who has the Borla Duals and he loves them also. Keep us posted - Dan
Hey Mark, Thanks. I purchased mine from Kendall Toyota in Miami, FL. I don't have the info now but I can get it Monday (12/30) when I return to work and PM you. Hope that'll work for you. In regards to the headers, I heard that Borla is working on headers for the Sequoia that should be out about Spring time. Yes, Im saving up for those Dan -
Looking at the number of problems with the stock manifolds, and comparing them to the design of the TRD headers, and also comparing them to the solid cast-iron design on my BMW, I wonder if it's worth the risk to put replacement manifolds on there that have that same cheap design that problem began with.
I mean, I would have NEVER thought that there would be a flange going up to the engine. It just doesn't seem to be a durable design and that thinning of the metal in order to create a flange does not strike me to be a good choice to mate to the engine probably at the hottest point (due to the sharp curve) in the entire exhaust system.
So here is my question. I REALLY like the solid design on the TRD headers. But I don't think my '01 Limited should sound like what I fear it would sound like. How do headers really sound if I leave the stock exhaust on there? I don't mind a deep sound, but I DO NOT want a blaring sound.
The manifolds are fabricated (welded) stainless, not cast iron. The problem is not with the flange...it's cracking in the weld...there's no thinning related to a flange. Yes, they could have made welded manifolds that would never crack, but they must have miscalculated.
While the flange may not thin the metal as you say, does the metal not otherwise weaken beyond comfort for such a hot application?
I know they are not cast-iron. I was wondering why they weren't. I just get the impression that cast-iron would be a better design as the thickness would cause it to heat up and cool off slower, helping to prevent such easy cracking with a mere splash of water. But I'm not an engineer in that field and cannot argue that point too much except after several alcoholic beverages (if I ever drank any).
Can existing cracked manifolds be repaired (welded) or otherwise improved?
Why can't they be in Florida???
Sequoia Exhaust Options
Borla Dual Exhaust
Dan -
Linear Mode
