Dual exhaust questions on 2008 V8

[swegen]

Want to get some exhaust sound "attitude" on a budget. thinking cat back mods. The spare tire seems to be a prob for left rear exhaust due to room but where does the left tailpipe cross over the drive shaft? Maybe go side pipes? Anyone have a pic or link to a underside view or exhaust layout ?

 

[AuSeeker]

Here's the exploded exhaust system diagram, doesn't include exhaust manifolds/headers with attached cats.

 

[riceandpho]

Want to get some exhaust sound "attitude" on a budget. thinking cat back mods. The spare tire seems to be a prob for left rear exhaust due to room but where does the left tailpipe cross over the drive shaft? Maybe go side pipes? Anyone have a pic or link to a underside view or exhaust layout ?

look up some borla dual setup, you will find how that left side pipe routing works. someone here took there spare out and have the pipe up the body. the borla left pipe exits like the passenger side, but its route along the axle and then the rear driver side.
i have a decent pic of how it its. but i have a v6.

 

[AuSeeker]

look up some borla dual setup, you will find how that left side pipe routing works. someone here took there spare out and have the pipe up the body. the borla left pipe exits like the passenger side, but its route along the axle and then the rear driver side.
i have a decent pic of how it its. but i have a v6.
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The Borla dual exhaust is not a true dual exhaust, it only splits to a dual exhaust at the the rear of the muffler, otherwise the exhaust is still the OEM configuration.
I don't think a true dual exhaust is possible because of the fuel tank location.

 

[chaz]

then theres this. http://www.toyota-4runner.org/4th-gen-t4rs/85811-flowmaster-true-duals.html

 

[swegen]

Borla duals = very nice music !
I see the gas tank issue and therefore the L exhaust pipe must go over the axle before it can turn toward the driver side. Which also means no side pipes since you're already past the axle maybe a smaller spare would alleviate the space prob !?