Does anyone know what the regulations are? I plan on putting in a new cat when I do my exhaust because I don't want to pollute any more than I have to, but I'd rather not run a muffler. Anyone know what the deal is on this? Can I license the car without a muffler?

 

I have no muffler on my car in NJ.... one of the most strict states in the country as far as car regulations go.

i have had no muffler for about two years now and it sounds great. I just went through NJ Inspection yesterday and passed even though there is no muffler on there and it is required!

I have a Monza Pace Setter Cat back, except where the muffler is supposed to sit, it dumps the exhaust into a U pipe out the back into "stock looking" dual tips. A great setup in my opinion. Go for it!

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***The driver formerly known as 89IROCZ***

1989 Chevrolet Camaro IROC-Z
350c.i. TPI, rebuilt 700R4 auto w/shift kit, Dual catalyst Monza PaceSetter Cat-Back (currently no muffler, sounds on webpage) 3.23 Posi rear, Hypertech chip, Under-Drive pulleys, AFPR, K&N's, moddified MAF, Alarm, Keyless entry, remote starter, 92 Z28 AeroWing, Brand New Paint (6/21/01)

Future: ZZ4 TPI w/EGR, T56, 3.42 or 3.73, Spohn SFC, strut tower brace and LCA's

1989 Chevrolet Celebrity Eurosport
2.8 MPFI, no mods
225,000 miles and still ticking!

More info, pictures and sounds (of the IROC) available on my webpage: http://go.to/iroc-z

AOL IMer: GPA 0point0

 

no muffler for me and i live in memphis.

 

mufflers are just for sound, not emissions except for the fact they keep the HP and TQ bands in the stock places. Without it and without tuning the car to run without it you might fail.

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-Tas
'89 Formula WS-6

305, TBI, auto, 14x3 chrome flat based open element with K&N, Milodon 160* thermo, functional Formula hood, cross-flow Flowmaster, '99z28 rear pipes and tips....

Soon to be installed:
Hooker 1-5/8" 50 state legal headers, Dynomax 3" I pipe (PN 44063 and 43248), Catco 3" cat, and injector spacer.

Super GRK_Taz World
F-Body Dual Exaust
EFI & Intake Options
AOL IM: superGRtaz

 

I'm sure they are required in every state but most testing facilities assume you have one and don't look under your car for it. If you don't want to run one, then you probably aren't risking too much, and you can always add it later if you need it. I'd say go without it.

 

Where are you at in Missouri? Check out www.mofba.org

 

Well i live in Dupo Il about 20 min from festus.and i dont have one but i think it is the law

 

Can an exhaust shop do it? Will I have to tell them it's for a strip only car?

 

An exhaust shop did mine for me.... they just told me up front that they arent responsible for any legal trouble I get in for not having a muffler and if I fail inspection that it is nobody's falt but my own.

 

they didnt tell me anything. and it still will pass emissions.