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The apexi's aren't as loud as some of the other brands. Everyone has them, so i'd assume they're the most popular choice. I have a DRIFT filter on mine, it flows at pretty much the same rate as the apexi's and is quite a bit louder (main reason i got it was coz its a tight blue colour, goes with intercooler joints and my yellow paint) Apexi ones would probably filter dust and crap better though.. Still $30 for a DRIFT one $150 for a apexi one.. and your probably gona lose power over stock box, idk just some stuff to consider

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Flutter sounds good on some cars not all... some cars sound absolutly f*king annoying! My friends s15 has a big ass apexi gtr intercooler i cant remember how thick the core is but i think its like 110mm? correct me if i'm wrong bout the cooler but it sounds awesome.

The quick flutter noise (like alot of skylines i've heard) and a few s15's s14's i've heard and 180's sound SHIT with the quickets tutututut you'll ever hear and then a pop after the gear change lol cos of the added richness which makes u just wana kick the owner in the teeth... besides they wanted to attention didn't they?

But flutter on standard skyline ceramic turbo = no go zone unless your looking for an excuse for a bigger turbo. :(

My 2 c.

But flutter on standard skyline ceramic turbo = no go zone unless your looking for an excuse for a bigger turbo. :P

My 2 c.

Then why didn't mine come with one from factory? (hr31 coupe)

1989 cefiro RB20DET NO BOV

1989 R32 skyline RB20DET HAS BOV

WHY OH WHY?!?!!?!?!?!?!?!?!?!

Because the cefiro uses the redtop motor with a different rocker cover, and back then they didn't come with a bov from factory.

BOV, from the factory, is only there to keep the emissions gods happy

Cefiro, as pointed out, started production earlier than R32, so different emissions rules when it was designed

That's also why the Ceffy RB20 has bigger cams than the R32 RB20

For maximum 'dose' noise, use a hardpipe between the inducer and the afm, also, the bigger the cooler, the louder it will be

Apexi pods can be bought for $98 delivered from CJ Motor (a nissansilvia.com sponsor), straight bolt on for RB20/25 and Z32 AFM.

I have seen an independant review between apexi, blitz sus, hks mushroom and K&N - apexi had best flow and much better filtering than the others. Well worth the money

BOV, from the factory, is only there to keep the emissions gods happy

Cefiro, as pointed out, started production earlier than R32, so different emissions rules when it was designed

That's also why the Ceffy RB20 has bigger cams than the R32 RB20

For maximum 'dose' noise, use a hardpipe between the inducer and the afm, also, the bigger the cooler, the louder it will be

Apexi pods can be bought for $98 delivered from CJ Motor (a nissansilvia.com sponsor), straight bolt on for RB20/25 and Z32 AFM.

I have seen an independant review between apexi, blitz sus, hks mushroom and K&N - apexi had best flow and much better filtering than the others. Well worth the money

Yeah Ive read that review aswell and i think it was covered on ns.com too im also a memember on ns.com ATTN gettin the filter off CJ

Heres a pod filter test if it helps anyone. i dont know if you have already seen this.

i also had the same problem with some one telling me the wastegate makes a fluttering noise. it was like talking to a god dam retard.

http://www.mkiv.com/techarticles/filters_test/2/index.html

Tom9999, that's the one, I expecially like it because it doesnt appear to have any affiliation with a particular manufacturer (or advertiser), and they test REAL power gains, as well as filtration.

Nor sure about centre lines, but bigger lift and longer duration. I saw it on a japanese website that had a comparison of nissan engines' cams over several models...

The ceffy runs bigger cams?? >_<

Just different centerlines or increased duration/lift also?

Redtop cam profiling is a bit more aggressive than silvertop. Slightly more duration and lift i think(not sure if it's exhaust side only *shrugs*). The figures are somewhere here on the forums in a thread, just can't remember how old :laugh:

aaanyway. If you want a decent fix, give me your BOV flange, i'll butcher the shit out of it with a welder, and charge you an arm and a leg for it >_< no need to worry about aluminium can bits if you are really that concerned.

Seriously. Just go to an exhaust shop, tell them you want them removed, and sell the thing/things.

I have on hand the redtop cam specs but aren't the Ceffy's silver tops?

R31's were redtops? >_<

yup, import 31's were redtops. Cefiro's are silver tops.

The red top came in two versions, NICS and later model ECCS.

I have on hand the redtop cam specs but aren't the Ceffy's silver tops?

R31's were redtops? >_<

This is where its interetsing, the cefiros were infact redtops with a silver coloured top. The internals, turbo, ecu are all redtop ECCS spec.

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