got my 94 ZJ today, and did my first mod - JeepForum.com

 
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post #1 of 11 Old 02-03-2004, 09:31 PM Thread Starter
Saleen4971
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Join Date: Jan 2004
Location: Setauket, LI
Posts: 236
got my 94 ZJ today, and did my first mod



removed the air silencer. all i have to say is, the 5.2 is better than my 4.0 in every way. i love this car. hollowed cat and a flowmaster muffler sound GREAT!!!


1998 5.9 Limited
ET: 14.3@94MPH

Engine/Trans
- Full Kolak Exhaust (ML's FM70) - FIPK2 - APS 52mm TB - MSD Blaster SS - A3923's - Magnecor's - MP ECU - 180 robertshaw t-stat - Relocated IAT - E.H. M1 - B&M Trans Cooler

Susupension/Brakes
- Addco 1.25" Military front & 7/8" rear sways - Edelbrock IAS shocks - OME S.S - Stilens Front & Rear

Coming Soon :
Level10 Stage 3 46RE - WJ knuckle conversion
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post #2 of 11 Old 02-04-2004, 09:54 PM
BLUEJEEPMAN
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Why remove air silencer?

Quote:
Originally Posted by Saleen4971


removed the air silencer. all i have to say is, the 5.2 is better than my 4.0 in every way. i love this car. hollowed cat and a flowmaster muffler sound GREAT!!!

Is there any advantage to removing this air silencer?

1994 ZJ I6 4.0 NP249 (Quadratrac)
Carsound Hi-FLow cat.
3" Rancho Springs with 2" Tomken spacers
31" BFG T/A KO's
40 Series Flowmaster
Kevin's Tow Points
Cobra DXII 40 Ch. CB Radio
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post #3 of 11 Old 02-04-2004, 11:34 PM
gpinzj
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air silencer?

What is an air silencer. forget the box filter, cold air intake is the way.

Luke.
'94 GRand Cherokee
5.2L v8
33x12.5 BFG mts on black steel rims
Rusty's 4" with 1" 3/4" spacers
Rusty's ajustable control arms all around
Rusty's front ajustable track bar and frame mount
JKS swaybar QDs
bushman steel roof rack
kcs and piaas
Bosch all aroun
Flowmaster 40 serise
stage 1 & 2 jet chip
and K&N cold air intake
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post #4 of 11 Old 02-04-2004, 11:38 PM
gpinzj
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removing the air silencer

Sure there are benifits, but not in performance. the air silencer run from the back of the grill to the box filter. by removing it you can prevent les water mud and dust from being sucked into the box.

Luke.
'94 GRand Cherokee
5.2L v8
33x12.5 BFG mts on black steel rims
Rusty's 4" with 1" 3/4" spacers
Rusty's ajustable control arms all around
Rusty's front ajustable track bar and frame mount
JKS swaybar QDs
bushman steel roof rack
kcs and piaas
Bosch all aroun
Flowmaster 40 serise
stage 1 & 2 jet chip
and K&N cold air intake
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post #5 of 11 Old 02-05-2004, 01:38 PM Thread Starter
Saleen4971
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Location: Setauket, LI
Posts: 236
im going to get a K&N cone filter eventually, and make my own heat shield for it.

1998 5.9 Limited
ET: 14.3@94MPH

Engine/Trans
- Full Kolak Exhaust (ML's FM70) - FIPK2 - APS 52mm TB - MSD Blaster SS - A3923's - Magnecor's - MP ECU - 180 robertshaw t-stat - Relocated IAT - E.H. M1 - B&M Trans Cooler

Susupension/Brakes
- Addco 1.25" Military front & 7/8" rear sways - Edelbrock IAS shocks - OME S.S - Stilens Front & Rear

Coming Soon :
Level10 Stage 3 46RE - WJ knuckle conversion
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post #6 of 11 Old 09-21-2009, 09:47 PM
CaptainZJ
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1994 ZJ 
 
Join Date: Sep 2009
Location: Three Rivers
Posts: 34
Quote:
Originally Posted by gpinzj View Post
Sure there are benifits, but not in performance. the air silencer run from the back of the grill to the box filter. by removing it you can prevent les water mud and dust from being sucked into the box.
How well do the Jet chips actually work?
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post #7 of 11 Old 09-21-2009, 09:54 PM
Kruzin
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1993 ZJ 
 
Join Date: Aug 2007
Location: Lakewood
Posts: 3,256
Hollowing out the cat IS a federal offence, and highly frowned upon around here.

'09 Rubicon
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post #8 of 11 Old 09-21-2009, 09:56 PM
CaptainZJ
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Location: Three Rivers
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Quote:
Originally Posted by Kruzin View Post
Hollowing out the cat IS a federal offence, and highly frowned upon around here.


Good thing I don't even have one. I wouldn't want to get in trouble.
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post #9 of 11 Old 09-21-2009, 09:59 PM
Kruzin
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Quote:
Originally Posted by CaptainZJ View Post


Good thing I don't even have one. I wouldn't want to get in trouble.
If you don't have one, you've modified your vehicle's emmissions equipment, in violation of federally mandated emmissions laws. Just as Illegal.

'09 Rubicon
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post #10 of 11 Old 09-21-2009, 10:04 PM
CaptainZJ
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Location: Three Rivers
Posts: 34
Quote:
Originally Posted by Kruzin View Post
If you don't have one, you've modified your vehicle's emmissions equipment, in violation of federally mandated emmissions laws. Just as Illegal.
It was intended as sarcasm, don't worry bud, I'm running stock exhaust.
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post #11 of 11 Old 09-22-2009, 12:52 AM
jeepheller98
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Location: park ridge
Posts: 1,089
Quote:
Originally Posted by CaptainZJ View Post
How well do the Jet chips actually work?
they dont, your computer learn their way around them very shorty and your back to stock

98 ZJ 3" lift homemade snorkel. JKS quicker disco 5.2L 150,000, 31x10.5 pro comp muds
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