My take on Blu's Air Silencer Removal Mod 2nd Gen.

ctcost · 10-18-2004, 01:12 PM

Graphics intensive!

ATTN 1st Gen Owners -- Read Here: http://www.yotatech.com/showthread.p...898#post447898

First off...Great mod! Thanks guys for all the needed input. THIS IS A MUST DO MOD!

BEST OF ALL...NO MANDREL BEND!

Parts:
2 heavy duty 3" to 3" PVC pipe couplings (they come with with clamps. 3" to 2" also available and recommended) . $6.99 each at Home Depot
1 13 or 14" piece of stainless steel flex muffler tubing (3" inch diameter) $15 @ NAPA. The high quality thick guage stuff not the cheap stuff.
1 1/4" to 1/4" 90 degree bend brass fitting (threaded on one end and hose lock on the other)
1 1/2" to 5/8" straight brass fitting (1/2 to 1/2 will do also. Same thread as above).
O-Rings and nuts to fit the above (the nuts take some searching, finally found them in a small hardware store. O-rings from the sink section @ Home Depot)

Proceed as follows:

1) bend the pipe to fit (one end on the ground, the other in your hand). Smack the middle of the pipe with a big rubber mallet till it fits the bend. This step is really cathartic.

2) Measure and final fit the pipe.

3) Drill your holes 1/16th bigger than the threaded ends of the fittings in order to have an easy install (I drilled them the same and had to hammer em in, not recommended but the threads came through it ok). Tighten it all up really tight and use lock tight on the nuts to make sure they do not come loose. When drilling stainless, use a slow drill and plenty of oil, it will cut like butter...Olive oil will work in place of machine oil

4) remove your old silencer and install the new one. If your engine runs rough after install, you need to tighten all the clamps till it runs smoothly.

Noticable breathing difference and tone coming from the intake. Also a noticable increase in power. How much I dunno but hey, it runs alot better!

Pics in the next post:

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ctcost · 10-18-2004, 01:17 PM

The parts:

Here it is built and ready for install:

and here it is installed:

PS...It works GREAT!!! Thanks to all!!!

bike4miles · 10-18-2004, 01:47 PM

Nice work! You mihgt consider taking that flex hose to an exsost shop and have them bend a piece of tubing to the same shape. You can get even more performance with a smooth pipe rather than flex hose.

ChickenLover · 10-18-2004, 01:49 PM

Nice work. Can you feel a difference in performance? Without the silencer, is the intake loud?

ctcost · 10-18-2004, 03:19 PM

Thanks guys. Yup I can definitely feel it. I know I'm doing at least 8-10hp more just by feel alone. As to the smooth pipe the reason I went this route is I had an impossible time finding a mandrel bend. Some of the guys posted ideas in a different thread but by that time I had it in my head to use the flex.

I'm sure not losing much by those ridges as you can tell by the smile on my face. The waffle ridges in the original tubing slow down the air a heck of alot more than these...The loss is mininal I think.

Oh yeah. the intake does sound alot cleaner and has a nice little moan to it now!!! Thumbs up on the mod and hats off to the guys that came up with it (Blu)!

gapguy · 10-18-2004, 03:33 PM

Quote:

Originally Posted by ctcost

The parts:

Cell phone, PDA, Swiss Army Knife, and keys to a Toyota....What else could one ever need?

ctcost · 10-18-2004, 04:48 PM

It wasn't staged honest!

Dublin · 10-18-2004, 05:22 PM

Nice job ctcost,
looks like flexable exhaust tubing, the ridges inside shouldn't be a real issue if that's the case.
Just one thing to be aware of. Be sure the nuts holding the fittings in place have some type of lock-tite to help hold them tight (don't want them rascals going inside the intake).
Not a bad job overall, and I like the price and the throaty sound too.
Wanna see mine??

Url: http://tinypic.com/bifes
Tag:<img src="http://tinypic.com/bifes">
Img:

ctcost · 10-18-2004, 06:14 PM

All locked in tight Dublin. Definitely don't want one of those moving it's way up towards the intake do we?

That looks great! What was it you said in the other thread? "Nice to be able to reach the sparkplugs?" Yup!!!

GregStevens · 10-18-2004, 06:53 PM

Quote:

Originally Posted by gapguy

Cell phone, PDA, Swiss Army Knife, and keys to a Toyota....What else could one ever need?

Beer.

Looks great, man. This is the first I've heard of this mod (I'm a noob here), I may do this next week on my 92. This weeks, I'm working on de-chroming. I've had the grill and corners off all day working on that. Getting ready to put the grill back on right now. The corners look cool...can't wait to see it all in the daylight tomorrow.

ctcost · 10-18-2004, 09:22 PM

Going all black? I'll vouch for this mod anytime. It's like night and day. No more flooring it on an uphill onramp to get up to freeway speeds!!! I know they went a little overbore on my engine when they did the rebuild...That helped too...Think the next mod to try is TRunner's high flow catalytic converter.

Mikronized · 10-19-2004, 12:08 PM

anybody ever had a problem with the pipe getting too hot?

just wondering

ctcost · 10-19-2004, 12:32 PM

Haven't noticed any problems at all Mikro. Nothing but pluses...also, not having to stomp on the gas all the time saves some milage. Even coasting in a parking lot the motor sounds like it's breathing better.

ctcost · 10-19-2004, 12:35 PM

Oh also, the infamous 3.0 tick with the windows down is now overshadowed by a deeper throatier nice intake tone.

GregStevens · 10-19-2004, 02:32 PM

ctcost, I'm calling around to find the parts now...hopefully I can do this tomorrow. Sounds like a cool little project.

One question...I'm not clear on where/how you used the o-rings. Can you give me the lowdown on that?

Thanks!

Edit...yea, I'm going to de-chrome...I am not sure the chrome is going to be paintable, though. I heard I would need self-etching primer, which shouldn't be any harder than regular primer...but I am not sure how it will hold up. I took the grill and corners off yesterday and primed/painted them. I think it looks kewl. I may just do the valance next. Then the mirrors. I'm on the fence about the bumpers, even though I want the chrome to go!

bike4miles · 10-19-2004, 02:36 PM

Quote:

Originally Posted by GregStevens

ctcost, I'm calling around to find the parts now...hopefully I can do this tomorrow. Sounds like a cool little project.

One question...I'm not clear on where/how you used the o-rings. Can you give me the lowdown on that?

Thanks!

I think they are used to make a seal between the fittings and the flex hose.

ctcost · 10-19-2004, 02:41 PM

Hi Greg: Yeah the O-rings I put between the nut and the inside wall of the pipe. On one I did this on the inside and outside but found out it was onlu needed on the inside. Good luck on bringing it all together...Post a piccy when when your done!

ctcost · 10-19-2004, 02:48 PM

Oh yeah here's a link to Blu's version. He's the original source on this:

http://www.yotatech.com/~corey/tech/blu_intake/blu.htm

GregStevens · 10-19-2004, 02:51 PM

OK, so the o-rings will have to be the size of the tube. So these are to seal the air from the couplings and the intake tube? Wouldn't the hose clamps do an adequate job at this? I'm heading to pick up the goods now...I think the fittings were located, gotta head over and check it out. Everything else seems fairly easy to find.

I'll report back later...

GregStevens · 10-19-2004, 02:54 PM

OK, cool...thanks for the link to Blu's version. A little more descriptive...

ctcost · 10-19-2004, 03:59 PM

Yeah they need to be the size of the threaded ends of the brass fittings. They go on the threaded end of the brass fittings inbetween the nut and the tubing wall on the inside. The nuts I bought were the thin wide ones so I didn't even see the need for washers. Just make sure to tighten em down really tight and use that lliquid Lock-Tite stuff on em so they don't come off.

Scofco · 10-19-2004, 04:18 PM

I may have to do this one day.
What are the cons?

ctcost · 10-19-2004, 04:24 PM

Haven't found any at all Scofo. Says your in the Yukon though...wonder if the metal piping might make a dif in that extreme weather you guys get. Maybe not though once everything warms up inside the compartment. Could always find a way to insulate it somehow if that were a concern i guess.

914runner · 10-19-2004, 04:43 PM

Quote:

Originally Posted by ctcost

Haven't found any at all Scofo. Says your in the Yukon though...wonder if the metal piping might make a dif in that extreme weather you guys get. Maybe not though once everything warms up inside the compartment. Could always find a way to insulate it somehow if that were a concern i guess.

Why would it matter if its cold? I thought that the colder the better?
Thanks

Dublin · 10-19-2004, 04:53 PM

I don't see any reason that cold would be a factor, I mean were working with an injected system and supplying better air flow. We've been hitting 32 degrees F for he last several nights here and I haven't had any problems, then again it's only fall. I look at it as just being a bit chilly.

10-18-2004, 01:17 PM	#2 (permalink)
ctcost Registered User Join Date: Jun 2004 Posts: 466	The parts: Here it is built and ready for install: and here it is installed: PS...It works GREAT!!! Thanks to all!!! __________________ Got a PDA? Stop on by!!! www.abfnet.com

10-18-2004, 01:47 PM	#3 (permalink)
bike4miles Contributing Member Join Date: May 2004 Location: Tucson, AZ Posts: 3,402	Nice work! You mihgt consider taking that flex hose to an exsost shop and have them bend a piece of tubing to the same shape. You can get even more performance with a smooth pipe rather than flex hose. __________________ --Miles Sold '91 4runner, 22re, 5 spd manual, 180,000 miles, cone filter, Downey 1.5"HD coils, SkyJacker Nitrogens, Magnaflow Exhaust, Stull grill, Clears all around. Check out my sound proofing project and other mods: My 4runner page My 2006 Camry page I'm a Myspace Addict!

10-18-2004, 01:49 PM	#4 (permalink)
ChickenLover Registered User Join Date: Apr 2004 Location: NV Posts: 2,583	Nice work. Can you feel a difference in performance? Without the silencer, is the intake loud? __________________ 95 4Runner, 3VZE , 141k, 4WD, Auto. (Head gaskets replaced at 106k)

10-18-2004, 03:19 PM	#5 (permalink)
ctcost Registered User Join Date: Jun 2004 Posts: 466	Thanks guys. Yup I can definitely feel it. I know I'm doing at least 8-10hp more just by feel alone. As to the smooth pipe the reason I went this route is I had an impossible time finding a mandrel bend. Some of the guys posted ideas in a different thread but by that time I had it in my head to use the flex. I'm sure not losing much by those ridges as you can tell by the smile on my face. The waffle ridges in the original tubing slow down the air a heck of alot more than these...The loss is mininal I think. Oh yeah. the intake does sound alot cleaner and has a nice little moan to it now!!! Thumbs up on the mod and hats off to the guys that came up with it (Blu)! __________________ Got a PDA? Stop on by!!! www.abfnet.com Last edited by ctcost; 10-18-2004 at 03:25 PM.

10-18-2004, 04:48 PM	#7 (permalink)
ctcost Registered User Join Date: Jun 2004 Posts: 466	It wasn't staged honest! __________________ Got a PDA? Stop on by!!! www.abfnet.com

10-18-2004, 05:22 PM	#8 (permalink)
Dublin Contributing Member Join Date: Feb 2004 Location: Appleton, Wi. USA Posts: 884	Nice job ctcost, looks like flexable exhaust tubing, the ridges inside shouldn't be a real issue if that's the case. Just one thing to be aware of. Be sure the nuts holding the fittings in place have some type of lock-tite to help hold them tight (don't want them rascals going inside the intake). Not a bad job overall, and I like the price and the throaty sound too. Wanna see mine?? Url: http://tinypic.com/bifes Tag:<img src="http://tinypic.com/bifes"> Img: __________________ 94 4Runner 4x4, V6 Auto, Outlaw II's with BFG 33x12.5x15 on stock suspension (no lift), Kenwood KDC-MVP Sirius/MP3 player, Bushwacker extenda-flares, 1700 watt power inverter, Air intake mod, Radio Shack CB, GPS, Swing arm tire carrier, modified 1st gen Toyota 4Runner Rollbar, Aisin manual hubs, 87 inclinometer, Toyota Brush guard. Where ever you go, there you are. I started out with nothing & still have most of it left.

10-18-2004, 06:14 PM	#9 (permalink)
ctcost Registered User Join Date: Jun 2004 Posts: 466	All locked in tight Dublin. Definitely don't want one of those moving it's way up towards the intake do we? That looks great! What was it you said in the other thread? "Nice to be able to reach the sparkplugs?" Yup!!! __________________ Got a PDA? Stop on by!!! www.abfnet.com

10-18-2004, 09:22 PM	#11 (permalink)
ctcost Registered User Join Date: Jun 2004 Posts: 466	Going all black? I'll vouch for this mod anytime. It's like night and day. No more flooring it on an uphill onramp to get up to freeway speeds!!! I know they went a little overbore on my engine when they did the rebuild...That helped too...Think the next mod to try is TRunner's high flow catalytic converter. __________________ Got a PDA? Stop on by!!! www.abfnet.com Last edited by ctcost; 10-18-2004 at 09:24 PM.

10-19-2004, 12:08 PM	#12 (permalink)
Mikronized Registered User Join Date: Nov 2003 Location: San Diego, CA Posts: 602	anybody ever had a problem with the pipe getting too hot? just wondering __________________ '94 4runner : soon-ish to be V8'd, SAS'd, lock'd and bumper'd '04 Xcab Tacoma 4x4 TRD : Stock

10-19-2004, 12:32 PM	#13 (permalink)
ctcost Registered User Join Date: Jun 2004 Posts: 466	Haven't noticed any problems at all Mikro. Nothing but pluses...also, not having to stomp on the gas all the time saves some milage. Even coasting in a parking lot the motor sounds like it's breathing better. __________________ Got a PDA? Stop on by!!! www.abfnet.com

10-19-2004, 12:35 PM	#14 (permalink)
ctcost Registered User Join Date: Jun 2004 Posts: 466	Oh also, the infamous 3.0 tick with the windows down is now overshadowed by a deeper throatier nice intake tone. __________________ Got a PDA? Stop on by!!! www.abfnet.com

10-19-2004, 02:32 PM	#15 (permalink)
GregStevens Contributing Member Join Date: Jul 2004 Location: People's Republic of Austin Posts: 387	ctcost, I'm calling around to find the parts now...hopefully I can do this tomorrow. Sounds like a cool little project. One question...I'm not clear on where/how you used the o-rings. Can you give me the lowdown on that? Thanks! Edit...yea, I'm going to de-chrome...I am not sure the chrome is going to be paintable, though. I heard I would need self-etching primer, which shouldn't be any harder than regular primer...but I am not sure how it will hold up. I took the grill and corners off yesterday and primed/painted them. I think it looks kewl. I may just do the valance next. Then the mirrors. I'm on the fence about the bumpers, even though I want the chrome to go! __________________ 2001 Dorado Gold Pearl SR5 Stock, except for ridiculous stereo. My ears are bleeding It's in showroom shape, but has some chrome...sue me. '92 4Runner SR5 4X4 (just retired) Tinted, loud and being de-chromed Chrome belongs on Fords, not on 4Runners OME Rear Springs and Steering Stabilizer - installed! Last edited by GregStevens; 10-19-2004 at 02:36 PM.

10-19-2004, 02:41 PM	#17 (permalink)
ctcost Registered User Join Date: Jun 2004 Posts: 466	Hi Greg: Yeah the O-rings I put between the nut and the inside wall of the pipe. On one I did this on the inside and outside but found out it was onlu needed on the inside. Good luck on bringing it all together...Post a piccy when when your done! __________________ Got a PDA? Stop on by!!! www.abfnet.com

10-19-2004, 02:48 PM	#18 (permalink)
ctcost Registered User Join Date: Jun 2004 Posts: 466	Oh yeah here's a link to Blu's version. He's the original source on this: http://www.yotatech.com/~corey/tech/blu_intake/blu.htm __________________ Got a PDA? Stop on by!!! www.abfnet.com

10-19-2004, 02:51 PM	#19 (permalink)
GregStevens Contributing Member Join Date: Jul 2004 Location: People's Republic of Austin Posts: 387	OK, so the o-rings will have to be the size of the tube. So these are to seal the air from the couplings and the intake tube? Wouldn't the hose clamps do an adequate job at this? I'm heading to pick up the goods now...I think the fittings were located, gotta head over and check it out. Everything else seems fairly easy to find. I'll report back later... __________________ 2001 Dorado Gold Pearl SR5 Stock, except for ridiculous stereo. My ears are bleeding It's in showroom shape, but has some chrome...sue me. '92 4Runner SR5 4X4 (just retired) Tinted, loud and being de-chromed Chrome belongs on Fords, not on 4Runners OME Rear Springs and Steering Stabilizer - installed!

10-19-2004, 02:54 PM	#20 (permalink)
GregStevens Contributing Member Join Date: Jul 2004 Location: People's Republic of Austin Posts: 387	OK, cool...thanks for the link to Blu's version. A little more descriptive... __________________ 2001 Dorado Gold Pearl SR5 Stock, except for ridiculous stereo. My ears are bleeding It's in showroom shape, but has some chrome...sue me. '92 4Runner SR5 4X4 (just retired) Tinted, loud and being de-chromed Chrome belongs on Fords, not on 4Runners OME Rear Springs and Steering Stabilizer - installed!

10-19-2004, 03:59 PM	#21 (permalink)
ctcost Registered User Join Date: Jun 2004 Posts: 466	Yeah they need to be the size of the threaded ends of the brass fittings. They go on the threaded end of the brass fittings inbetween the nut and the tubing wall on the inside. The nuts I bought were the thin wide ones so I didn't even see the need for washers. Just make sure to tighten em down really tight and use that lliquid Lock-Tite stuff on em so they don't come off. __________________ Got a PDA? Stop on by!!! www.abfnet.com Last edited by ctcost; 10-19-2004 at 04:11 PM.

10-19-2004, 04:18 PM	#22 (permalink)
Scofco Contributing Member Join Date: Jan 2004 Posts: 3,577	I may have to do this one day. What are the cons? __________________

10-19-2004, 04:24 PM	#23 (permalink)
ctcost Registered User Join Date: Jun 2004 Posts: 466	Haven't found any at all Scofo. Says your in the Yukon though...wonder if the metal piping might make a dif in that extreme weather you guys get. Maybe not though once everything warms up inside the compartment. Could always find a way to insulate it somehow if that were a concern i guess. __________________ Got a PDA? Stop on by!!! www.abfnet.com

10-19-2004, 04:53 PM	#25 (permalink)
Dublin Contributing Member Join Date: Feb 2004 Location: Appleton, Wi. USA Posts: 884	I don't see any reason that cold would be a factor, I mean were working with an injected system and supplying better air flow. We've been hitting 32 degrees F for he last several nights here and I haven't had any problems, then again it's only fall. I look at it as just being a bit chilly. __________________ 94 4Runner 4x4, V6 Auto, Outlaw II's with BFG 33x12.5x15 on stock suspension (no lift), Kenwood KDC-MVP Sirius/MP3 player, Bushwacker extenda-flares, 1700 watt power inverter, Air intake mod, Radio Shack CB, GPS, Swing arm tire carrier, modified 1st gen Toyota 4Runner Rollbar, Aisin manual hubs, 87 inclinometer, Toyota Brush guard. Where ever you go, there you are. I started out with nothing & still have most of it left.

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