Guys running the ATP 3" inlet pipe kit.

[Andrade08]

WOW......Is it just me or does this thing make the Turbo and BPV noises almost non existent? I was sent a few more silicone parts from ATP so I could get the pipe kit to work with the stock air box and I did. Fits real well actually. All bolts right up with no cutting of any stock parts for anything at all. **AND NO CEl in 21 degree weather***But, my forge BPV that was loud as all hell before is now dead quiet. I can not hear it AT ALL!! It is quieter than stock!! The turbo spool is VERY quiet now. Still a touch louder than stock because I have a K&N drop in and 2 big 4"-4.5" holes cut in the side and back of my stock air box lower.
So did anyone else notice how this aluminum pipe KILLED the noise? What causes it I have no clue?? Maybe the soft silcone hose connected to the BPV now insted of the hard rubber OEM unit? Maybe the fact that the inlet pipe itself is now heavy cast aluminum insted of thin hard plastic? Something did it. I could care less about noise...............the fact that it pulls like hell now is all I care about. Nothing off the line but the uper RPM range is much better. I did notice a drop off in some upper RPM PSI though? I always drop down to 10PSI by about 4000/4500rpms in 3rd (the gear I road test in from 2500rpms to 6000rpms) but it just seemed quicker now.
OK thats all.........no more noise and it pulls harder but seems to not hold boost as well..... And no......I have no boost leaks. I checked......again.....and then 3 more times after that. I always do.....O.C.D.
And no I have no PICs. I wasn't in the mood to snap pics while wrenching.

 

[Speedy3]

WOW......Is it just me or does this thing make the Turbo and BPV noises almost non existent? I was sent a few more silicone parts from ATP so I could get the pipe kit to work with the stock air box and I did. Fits real well actually. All bolts right up with no cutting of any stock parts for anything at all. **AND NO CEl in 21 degree weather***But, my forge BPV that was loud as all hell before is now dead quiet. I can not hear it AT ALL!! It is quieter than stock!! The turbo spool is VERY quiet now. Still a touch louder than stock because I have a K&N drop in and 2 big 4"-4.5" holes cut in the side and back of my stock air box lower.
So did anyone else notice how this aluminum pipe KILLED the noise? What causes it I have no clue?? Maybe the soft silcone hose connected to the BPV now insted of the hard rubber OEM unit? Maybe the fact that the inlet pipe itself is now heavy cast aluminum insted of thin hard plastic? Something did it. I could care less about noise...............the fact that it pulls like hell now is all I care about. Nothing off the line but the uper RPM range is much better. I did notice a drop off in some upper RPM PSI though? I always drop down to 10PSI by about 4000/4500rpms in 3rd (the gear I road test in from 2500rpms to 6000rpms) but it just seemed quicker now.
OK thats all.........no more noise and it pulls harder but seems to not hold boost as well..... And no......I have no boost leaks. I checked......again.....and then 3 more times after that. I always do.....O.C.D.
And no I have no PICs. I wasn't in the mood to snap pics while wrenching.

I just got mine and am waiting for a sleeve to mate it to the 2.75" MS CAI. Should have dyno results soon...

 

[Andrade08]

Cool..........get ready for it to kill the noise! With the MSCAI you will need a pipe plug for the top hole on the ATP pipe. It's not standard thread either I can tell you that. Call ATP........they should send you a plastic plug.

 

[MS3-oholic]

Maybe your turbo and BPV don't make as loud of sound any more because you have the stock intake box back on there?

 

[Mid_Life_Crisis]

To get the same volume of air through the restrictive stock pipe, the air has to be moving really fast. The fatter pipe means lower velocity of the incoming air, which would sound quieter going through that section of piping, which happens to be closest to the cabin. This might explain the overall reduction in noise.
Why the BPV would be quieter, I have no idea.
I also am very curious as to why making more air available at high rpms would cause your upper rpm boost to fall off faster. I wonder what the difference would be with a true high flow intake instead of a modded stock box, which still has that crappy accordion hose.

 

[Darksun280]

Maybe your turbo and BPV don't make as loud of sound any more because you have the stock intake box back on there?

Maybe soon he'll figure out that with the stock airbox you can't really hear s*** if we keep pointing out that with the stock air box you can't really hear s***..............

 

[Speedy3]

Cool..........get ready for it to kill the noise! With the MSCAI you will need a pipe plug for the top hole on the ATP pipe. It's not standard thread either I can tell you that. Call ATP........they should send you a plastic plug.

Does ATP carry the plug? ATP has been very helpful so far, I just don't want to bother them anymore since this is a MS CAI issue with plugging the second tapped hole. (MS CAI has PCV nipple built in, so no need for the extra port on the ATP 3" inlet)

 

[Andrade08]

MS3-oholic:
Even with my moded stock box the Forge valve was VERY loud and I could hear the turbo spooling up. I put real big holes in the bottom.

Mid_Life_Crisis:
After looking at the set up some more I think the BPV noise is gone because of the way the 90* nipple dumps the air back in further down in the pipe than the stock pipe and the fact that it is connected to 11" of soft *THICK* silicone hose now instead of the real hard thin shorter rubber hose in OEM form. Maybe not?
I do not have the stock accordion looking 45* hose any more. I have a smooth silicone 45* coupler trimmed to fit the ATP pipe and the stock air box. You need one leg of the coupler a few inches longer than the other leg for the set up to mate up nice.

Darksun280:
That is not what I need to figure out. What I am comparing here is the sound of the turbo spool and BPV with the stock inlet pipe and hose along with the moded stock air box against the ATP inlet pipe and the same stock air box set up. Comparing the two the ATP pipe is quieter. I was/am wondering why. I have had a BEGI box, used Cobb and a used MSCAI on my car all with the stock inlet pipe set up. All the intake set ups make the turbo spool and BPV sounds louder yes. But, it made sounds I was already hearing with my moded stock air box louder. Now, with the ATP pipe I have almost ZERO sounds. I am sure a CAI will let me hear the turbo spool but I am almost positive the angle of the BPV fitting along with the hose material the BPV sounds are gone. Members that hate the Forge BPV sounds might be happy about this. I do not care either way really. I am just wondering what the cause is.

Speedy3 :
ATP will have the plug. Call them again. They want this kit to work with all applications. Stock air box, MSCAI, Cobb, their FMIC kit etc...

 

[nypest]

I always drop down to 10PSI by about 4000/4500rpms in 3rd (the gear I road test in from 2500rpms to 6000rpms) but it just seemed quicker now.

Something seems off here what other mods do you have?

Reason i ask is cause i hold boost in 3rd till about 6,200 and it only then falls off 1-2 psi I am also running the forge.. What spring you run?

 

[nypest]

MS3-oholic:
Even with my moded stock box the Forge valve was VERY loud and I could hear the turbo spooling up. I put real big holes in the bottom.

Mid_Life_Crisis:
After looking at the set up some more I think the BPV noise is gone because of the way the 90* nipple dumps the air back in further down in the pipe than the stock pipe and the fact that it is connected to 11" of soft *THICK* silicone hose now instead of the real hard thin shorter rubber hose in OEM form. Maybe not?
I do not have the stock accordion looking 45* hose any more. I have a smooth silicone 45* coupler trimmed to fit the ATP pipe and the stock air box. You need one leg of the coupler a few inches longer than the other leg for the set up to mate up nice.

Darksun280:
That is not what I need to figure out. What I am comparing here is the sound of the turbo spool and BPV with the stock inlet pipe and hose along with the moded stock air box against the ATP inlet pipe and the same stock air box set up. Comparing the two the ATP pipe is quieter. I was/am wondering why. I have had a BEGI box, used Cobb and a used MSCAI on my car all with the stock inlet pipe set up. All the intake set ups make the turbo spool and BPV sounds louder yes. But, it made sounds I was already hearing with my moded stock air box louder. Now, with the ATP pipe I have almost ZERO sounds. I am sure a CAI will let me hear the turbo spool but I am almost positive the angle of the BPV fitting along with the hose material the BPV sounds are gone. Members that hate the Forge BPV sounds might be happy about this. I do not care either way really. I am just wondering what the cause is.

Speedy3 :
ATP will have the plug. Call them again. They want this kit to work with all applications. Stock air box, MSCAI, Cobb, their FMIC kit etc...

The Bpv noise makes sense to me. When i was installing mine i had this thought too.

 

[nypest]

BTW Andrade08 :

Glad to see you worked the kinks out and like the mod. I ended up returning it after i did manage to get it in, it just looked very much like an afterthought under the hood to me.

 

[Andrade08]

Something seems off here what other mods do you have?

Reason i ask is cause i hold boost in 3rd till about 6,200 and it only then falls off 1-2 psi I am also running the forge.. What spring you run?

I run the blue spring. But my car acted like this with the stock BPV also. I will shift into 3rd gear with the traction controll on or off doesn't matter. I then let the RPMs come down to 2500ish RPMs. I then nail it and the boost spike pegs to around 17PSI then settles to 15psi rather quickly and holds for a few seconds and starts slowly dropping and by 4000/4500rpms I have a hair over 10SPI were it will hold to 6000rpms when I shift. My car has always done this. It did get better after I put on SU boost tubes though. I always thought it was just normal? I do not know what speeds/mph I am at in 3rd gear at 4000/4500rpms under WOT too though. It just seemd that the boost falls off quicker now with the inlet pipe. I might be nuts too though!! LOL!!

 

[clos561]

its prolyl jsut what u said, bigger inlet so its mroe air and less restricting, wont make the sounds of air trying to squeeze through. if u turn up the psi and get intercooler or something it may bring the sounds back, along with the added power

 

[nypest]

I run the blue spring. But my car acted like this with the stock BPV also. I will shift into 3rd gear with the traction controll on or off doesn't matter. I then let the RPMs come down to 2500ish RPMs. I then nail it and the boost spike pegs to around 17PSI then settles to 15psi rather quickly and holds for a few seconds and starts slowly dropping and by 4000/4500rpms I have a hair over 10SPI were it will hold to 6000rpms when I shift. My car has always done this. It did get better after I put on SU boost tubes though. I always thought it was just normal? I do not know what speeds/mph I am at in 3rd gear at 4000/4500rpms under WOT too though. It just seemd that the boost falls off quicker now with the inlet pipe. I might be nuts too though!! LOL!!

Are you running the stock TMIC?

 

[winniep]

Me get no ATP inlet kit Me have Cobb SRI.....nnmmmhh........

 

[Andrade08]

Yes, I have the stock TMIC. I was going to do a cat back next but.....it is being changed from that to TMIC from SU. I guess.........I change my plans now and then. More now than then.
You can use the Cobb intake kit with the ATP inlet pipe kit. You just have to ditch the blue coupler. I will have PICs of a Cobb kit mated to the ATP inlet pipe as soon as my new Cobb kit gets here.

 

[RonTonkinMazda]

mine is loud as hell but i have the atp fmic and amd running 20-21psi

 

[nypest]

Yes, I have the stock TMIC. I was going to do a cat back next but.....it is being changed from that to TMIC from SU. I guess.........I change my plans now and then. More now than then.
You can use the Cobb intake kit with the ATP inlet pipe kit. You just have to ditch the blue coupler. I will have PICs of a Cobb kit mated to the ATP inlet pipe as soon as my new Cobb kit gets here.

Trust me the Cobb SRI fitment is more then just the (cobb) coupler.




Again I like ATP they worked with me, and sent me all the stuff I needed to get the Cobb SRI to work, minus a new support bracket (which will have to be modified, or you will have to make your own.) I like this idea and hope to re-purchase the part when the SRI fitment kinks are worked out.


Simply my opinion:

$300 for a bolt on modification I would expect it to fit (I called them about the SRI fitment issue b4 I bought the inlet) I was told that as long as I bought the kit with there elbow since the Cobb elbow reduces to 2.5" there should not be any issues. They were correct that fixed the mating of the SRI and the inlet. However the issues I mentioned above then came to light.

I believe the kinks will be worked out in the coming weeks. I gave ATP's Tec all the feedback I could the must have a car cause he went out side a few times as I gave him measurements. ATP is defiantly aware and wants to make this work.

 

[nypest]

mine is loud as hell but i have the atp fmic and amd running 20-21psi

Nice !!!!!!

 

[Andrade08]

It's the 45* coupler they send. You need a coupler with a tight radiused 45* and a short leg going to the inlet pipe and a longer leg going to the MAF housing or stock air box what ever you run. I was sent a few different 45* couplers from ATP and trimmed one to fit. I am giving them the measurements so they will include a 45* coupler with this kit to work with the stock air box. The bottom BPV hose fit great for me. I ended up with 10"-11" of the 1" silicone tube and it fit right over the exhaust port of the BPV and right to the 90* plastice nipple they provide. I even used the stock spring clamps there because they fit real tight. On the top I used 8" of silicone tube and a 3/4" rubber spacer to fit in the 1" silicone tube so the stock snap fitting off the stock accordion inlet pipe would slide in snug. It all snaped together OEM like after that. Loks nice with the black hose I opted for. I'll have PICs later today I promise!!