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If I still had my T100 I would have junked my 40 series FlowRestrictor muffler and gone back to an OE cat-back with my TRD headers.
If I needed a little more power at low end I would have then replaced just the muffler with a Gibson supper flow or a Magnaflow muffler.

I'm currently doing this with my Tundra. The JBA headers have been on for about a week.
The more I drive the more the ECU adjusts and the better the power gets.

I have a stainless steel Gibson super flow muffler ready to weld in place of my OE muffler just in case...


Well, I know that the 3.4's have more of a throaty sound already compared to the 3.0. But in your experiance, what is the throatiest-sounding muffler for these 6 Cylinders that you have heard?

~~~The more People I meet, the more I like My Dog..~~~

-96' Tacoma 3.4 4x4 5 Speed, Trueflow intake+Deckplate, 2.5 inch Magnaflow Cat-back,OME 881's, and some extra-leaves in the rear..
-68' Chevelle Malibu..Stage one of Restoration: *Collecting funds* <img src="/forums/images/graemlins/smile.gif" alt="" />