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Well.......what do ya think I should do? For now I still have work on the engine and if I cant find out how to do this without spending more $$$$ then the 1.5 stock goes in.


only worry about the exhaust from the collector back... The stock 4 into 2 into 1 design is pretty decent (not great), so only mess with the area after the 2 into 1 collector. I'd go 2.25" all the way back. You can either have it custom done as you've noted or purchase something from Downey, Performance Products or any of the other companies out there that sell Toyota products.

Brian K. Gallus
I have nothing important to say.