Mine Has "Discovery" in raised letters on the side but otherwise looks identical. It also fits identically and was a bit behind the A pillar. I just forced it in as over time it will relax into the new position.
Have had it on 5 years with no problems.
I cut the slots further up.
I also cut out the twirler in the air cleaner.
I have no performance problems and EGTs are my limitation and about 22Lb max boost.( parameters altered by Offtrack)
The burper is meant to be cracked open with no vacuum. I just bought a new one and it is ajar. I figure that it closes with some vacuum in the air filter. Clever eh!
Perhaps you left a rag in it if you are having performance problems (LOL)
Regards Philip A
PS I know that one UK tune rewriter will not do a stage 3 on vehicles with snorkles. I was tossing up whether to get another filter base and cut some holes in it for on road work. I haven't tried it yet as to get cool air you would also have to cut holes in the panel behind the headlight. I did that with my RRC and made a fiberglass intake to match, but didn't notice any difference.
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