Custom Cat-Back exhaust Yaris TS

[CASTREX]

Some Pics of my custom set up. This was done on a local shop and the total cost came up to about $300 including the resonators.

I removed everything from the primary cat back. The secondary cat was deleted. The Pipe is 2.25" all the way back. No mandrel bends there are no mandrel bend machines here and bring all the curves from the US was a bit pricey.

The OE central resonator was removed and replaced by a Magnaflow 4"wide 18" long round muffler and the rear OE muffler was replaced by another Magnaflow round 5" wide 14" long. For the tip I went with a 4" round resonated SS tip to keep a stock look.

Sound of the set up is a little on the loud side... but I don't mid that. I put some fatmat all over the rear of the car and that help a lot to keep the noise inside the cabin down.

There was No noticeable lost of low end torque and a nice pick up of power from 4,000rpm up to the red line.

For anyone installing an exhaust to a TS I would highly suggest to AT LEAST replace completely the portion of pipe between the OE central resonator and the OE rear muffler.
That portion of pipe is really small and crimped. Out exhaust starts at 2.5" wide between the exhaust manifold and the primary cat and then goes down to almost 1.75" after the resonator.

Exhaust upgrade is a MUST for this car imho.

I will post a sound clip later...

Sound/video clip uploaded: http://www.youtube.com/watch?v=A6Pp1IuJzG8