C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

What year are the rectangular exhaust tips, and will they fiit on my 90?

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Old 01-30-2003, 08:46 PM
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1STVETTE90
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Default What year are the rectangular exhaust tips, and will they fiit on my 90?

What year are the rectangular exhaust tips, the ones that look like one big tip on each side not two on each side? Would I have to change my muffler to make these fit(there is two outlets on each muffler).Thanks a lot Rick
Old 01-30-2003, 08:51 PM
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mothersworry
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Default Re: What year are the rectangular exhaust tips, and will they fiit on my 90? (1STVETTE90)

I believe 1992 was the first year of the rectangular tips. They are for the lt1 exhaust. I believe you would have to cut your tips off and weld new tips on. I am sure someone else will chime in.
Old 01-30-2003, 08:56 PM
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nisstek
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Default Re: What year are the rectangular exhaust tips, and will they fiit on my 90? (1STVETTE90)

The LT1 exhaust you are referring to, is totally different than the L98 exhaust from front to back. I dont think you can weld the tips on and make it look decent. I also dont think you can adapt the mufflers from an LT1 to your car. Might shop around for an afterarket muffler that looks similar. :seeya
Old 01-30-2003, 08:59 PM
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1STVETTE90
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Default Re: What year are the rectangular exhaust tips, and will they fiit on my 90? (nisstek)

Damn, I was afraid of that.I'll check around, maybe there's something out there.Thanks Rick
Old 01-30-2003, 09:05 PM
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C490Vette
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Default Re: What year are the rectangular exhaust tips, and will they fiit on my 90? (1STVETTE90)

You can buy the LT1 "style" tips to go over your stock pipes. They are bolt on units. I have seen them in MidAmerica Magazine for $130. Check out madirect.com.

:D
Old 01-30-2003, 10:01 PM
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Hamert
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Default Re: What year are the rectangular exhaust tips, and will they fiit on my 90? (C490Vette)

Keep in mind that those tips for $130 from Mid America are actually muffler eliminators for the 84-91 (p/n 603-428). They do have mufflers also for the 84-91's but they are a little more money. $179 for black with chrome tips (p/n 603-414) and $270 for stainless steel with chrome tips (p/n 603-412).

You could try this too for about $90.00 http://www.ecklers.com/product.asp?p...N0SM2EP3GDFC48




[Modified by Hamert, 10:06 PM 1/30/2003]
Old 01-30-2003, 10:43 PM
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CorvetteKid1983
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Default Re: What year are the rectangular exhaust tips, and will they fiit on my 90? (1STVETTE90)

Well, if you just want the rectangular muffler tips to place on your L98 muffler system, MidAmerica sells "Custom LT1 Style Exhaust Extensions" that adapts to 85-91 exhaust systems. They will look like the LT1 style tips without even touching your exhaust system. I think you just need to drill holes for screws. It is like a 10 minute job. They come in chrome-looking stainless steel.

Part Number: 603-608
Description: 1985-91 Rectangular Exhaust Extensions
Price: $49.99 (Pair)


Oh! And if you feel really crazy, you can get the 24K gold ones!

Part Number: 603-616
Description: 1985-91 24K Gold Plated LT1 Extensions
Price $199.99 (Pair)


Hope this helps you out. $50 bucks for an LT1 style looking exhaust. :thumbs:
Old 01-31-2003, 01:17 AM
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MIke350
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Default Re: What year are the rectangular exhaust tips, and will they fiit on my 90? (CorvetteKid1983)

:iagree: i think im going to go this way, i just find it hard to pay 50 bucks for folded sheet metal. however its most likely cheaper then buying 4 cheap tips at the local parts store. maybe ill go with the gold but then again maybe not :U
Old 01-31-2003, 07:10 AM
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1STVETTE90
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Default Re: What year are the rectangular exhaust tips, and will they fiit on my 90? (CorvetteKid1983)

Hey thanks a lot.I will check into these.Rick
Old 01-31-2003, 08:52 AM
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HeeHaw89
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Default Re: What year are the rectangular exhaust tips, and will they fiit on my 90? (1STVETTE90)

I recently had a local shop weld up some stock 95 LT1 mufflers to my Flowmaster rear y-pipe on my 89 for $25. It was an easy job and it looks great. No pictures, but check out Marcho Polo's car. He has the same setup.
Old 01-31-2003, 09:57 AM
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joseph p
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Default Re: What year are the rectangular exhaust tips, and will they fiit on my 90? (HeeHaw89)

I have an '89. You can find guys getting rid of the entire, good shape LT1 exhaust, like I did. Then just cut it off where your L98 y-pipe starts, weld on the new flange(obtainable from parts store) and you've got the square tips, bigger pipes, and mufflers. Easy job, requires a little skill to weld the two pipes into the flange. Not a lot of trouble for a welder/fabricater.
Old 01-31-2003, 10:35 AM
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Togo
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Default Re: What year are the rectangular exhaust tips, and will they fiit on my 90? (1STVETTE90)

i found them!!!!!
mid america catalot 142H page 9-2 part number 603-608 (for 1985 to 1991) and part number 603-610 (for 1992-1996) regular price or $69.99 and in THIS catalog, they are on sale for $49.99 (remember this may be an outdated catalog) so call them and check on it!
Old 02-01-2003, 05:20 AM
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black bart
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Default Re: What year are the rectangular exhaust tips, and will they fiit on my 90? (85_togo)

i found them!!!!!
mid america catalot 142H page 9-2 part number 603-608 (for 1985 to 1991) and part number 603-610 (for 1992-1996) regular price or $69.99 and in THIS catalog, they are on sale for $49.99 (remember this may be an outdated catalog) so call them and check on it!
:iagree: If you want to see them click on link at the bottom of my signature I have a picture of the rear of my car in my photo galley these are from mid america they are about three years old still look like new.
Old 02-01-2003, 09:11 AM
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1STVETTE90
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Default Re: What year are the rectangular exhaust tips, and will they fiit on my 90? (black bart)

Thats what I'm looking for. Is that $69 a pair or a piece? Doesn't matter I'm going to get some! Thanks a lot Rick :cheers:
Old 02-01-2003, 01:07 PM
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black bart
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Default Re: What year are the rectangular exhaust tips, and will they fiit on my 90? (1STVETTE90)

I just checked in my new corvette central magazine and they have them for $ 53.95 for a pair :seeya

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