Picked up a full BPM GT exhaust system earlier this week.
Split dump, metal cat (midpipe), cannon muffler in full stainless.
Looks really well manufactured!

Any feedback on the 3 sensor bungs shown in the pic?

Basic research suggests (and i could be wrong) that the top bung where turbo meets downpipe wont be used but im curious where the o2 sensor goes (pre cat or in the cat?), and if the other bung will be used?

i thought they always went within the CAT, thats where they located in the skylines anywways....


just curious if you dont mind sayin what that zorst set ya back?

it will go after the cat, to measure the difference

picked the system up second hand (never used) for $1450 delivered.

so it sounds like there is only the o2 sensor which is post-cat.
looks like i need another plug for bung at the end of the dump.

I believe the dump pipe would be a neutral fit for all wrx/GT forester/RS applications as the pre GD series had the 02 sensor at the top whereas the GT forester/GD series have it towards the end of the 'dump'. A bung in either will suit.

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www.racewars.com.au

Any suggestions where i can pick up a o2 sensor bung?
I think its an 18 mm bung with 1.5 threads/mm pitch (unsure)

Are you installing it yourself? If not just get your installer to put one in.

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[DBR]

yeah would like to do the install myself, shouldnt be too difficult from what i understand

Bunnings

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ALLSTARGARAGE.COM.AU
ANYTIMETOWING.COM.AU
WHEELSWORLD

yer i should have some spare ones from me manifold if ya want them