Exhaust System Inspection

scruffboy · 10-04-2005, 01:25 PM

I have a 1989 Supra N/A and I was inspecting the exhaust system. I noticed that between the catalytic converter and the muffler at the rear there seems to be a second muffler. What is this and why is it there? Can it be removed? I would appreciate any info.

Thanks!

supra_91 · 10-04-2005, 01:51 PM

it is the resonator. if u take it out it will make your car louder. i took mine out and put a 2 1/2" catback exhaust of with a straight through muffler and it sounds awesome

scruffboy · 10-04-2005, 02:12 PM

A resonator huh. OK, sounds useless. What exactly is a catback exhaust? thaks for the help

SupraMan1784 · 10-04-2005, 03:10 PM

it is pretty useless...its there to keep the car quiet...though i think you might need to put it back during state inspection...because i think in jersey ur required to have them

supra_91 · 10-05-2005, 01:03 AM

a catback exhaust is when u get new exhaust piping from the catalytic converter on back and a new muffler

don't they only check your car for emissions once in a lifetime

scruffboy · 10-05-2005, 02:02 PM

I think in Jersey they check emissions every 2 yrs. I get inspected this December, so after that I will do some exhaust upgrades and be ready for the summer, ha ha. should I replace the cat with a performance job? My A-hole friend said he could clean my engine, but after he did it needed to be dried so he revved the engine to a point where I saw the cat get red hot. I mean it turned red. Do you think that ruined it. (I will never let this person near my car again) I got everything back in order and it runs great again idling at about 800 and taching out at about 3500. Any suggestions on exhaust upgrades. If you install a header do you keep that heat shield on? Thanks in advance.

James (scruffboy)

10-04-2005, 01:25 PM	#1
scruffboy walbro fp Join Date: Sep 2005 Location: Kearny, New Jersey, USA Posts: 427	Exhaust System Inspection I have a 1989 Supra N/A and I was inspecting the exhaust system. I noticed that between the catalytic converter and the muffler at the rear there seems to be a second muffler. What is this and why is it there? Can it be removed? I would appreciate any info. Thanks!

10-04-2005, 01:51 PM	#2
supra_91 Lexus & 550's Join Date: Sep 2005 Location: Illinois Posts: 521	it is the resonator. if u take it out it will make your car louder. i took mine out and put a 2 1/2" catback exhaust of with a straight through muffler and it sounds awesome __________________ 91 N/A automatic supra;K&N FIPK;2.5" custom exhaust;no cat;pacesetter header;eibach springs;tokico "blues";MKIV TT rims

10-04-2005, 02:12 PM	#3
scruffboy walbro fp Join Date: Sep 2005 Location: Kearny, New Jersey, USA Posts: 427	Re: resonator A resonator huh. OK, sounds useless. What exactly is a catback exhaust? thaks for the help

10-04-2005, 03:10 PM	#4
SupraMan1784 SP58GT Join Date: Jun 2005 Location: Dirty Jerz Posts: 691	it is pretty useless...its there to keep the car quiet...though i think you might need to put it back during state inspection...because i think in jersey ur required to have them __________________ Now: Saving for an MKIV Broken Rides: (Sold) 91 supra turbo 5speed with a 1jzgte motor 421whp 400(399) ft*lbs of torque on tap @ 15 psi "Always outnumbered, never outgunned."

10-05-2005, 01:03 AM	#5
supra_91 Lexus & 550's Join Date: Sep 2005 Location: Illinois Posts: 521	a catback exhaust is when u get new exhaust piping from the catalytic converter on back and a new muffler don't they only check your car for emissions once in a lifetime __________________ 91 N/A automatic supra;K&N FIPK;2.5" custom exhaust;no cat;pacesetter header;eibach springs;tokico "blues";MKIV TT rims

10-05-2005, 02:02 PM	#6
scruffboy walbro fp Join Date: Sep 2005 Location: Kearny, New Jersey, USA Posts: 427	Re: Emmisions I think in Jersey they check emissions every 2 yrs. I get inspected this December, so after that I will do some exhaust upgrades and be ready for the summer, ha ha. should I replace the cat with a performance job? My A-hole friend said he could clean my engine, but after he did it needed to be dried so he revved the engine to a point where I saw the cat get red hot. I mean it turned red. Do you think that ruined it. (I will never let this person near my car again) I got everything back in order and it runs great again idling at about 800 and taching out at about 3500. Any suggestions on exhaust upgrades. If you install a header do you keep that heat shield on? Thanks in advance. James (scruffboy)

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