4th gen I-pipe

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05-12-2005, 08:18 PM

87LG4FORMULA

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Car: 87 Formula/ 87 IROC-Z

Engine: LT1/L98

Transmission: modded700R4s

Axle/Gears: 3:23 posi/?posi

4th gen I-pipe

Any one out there used one, I need to replace mine and got a 97 pipe free. Seems good, except for the cut to get it out. How hard is it to modify this for my 87. Any help or links appreciated Thanks

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05-12-2005, 08:23 PM

ShiftyCapone

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Car: '90 RS

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Re: 4th gen I-pipe

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Originally posted by 87LG4FORMULA
Any one out there used one, I need to replace mine and got a 97 pipe free. Seems good, except for the cut to get it out. How hard is it to modify this for my 87. Any help or links appreciated Thanks

The routing is basically the same but you may have some attachment issues with the muffler as in all muffler conections for these cars are not the same. You would be better off getting the whole cat-back if you could. You may also have some fitment/attachment issues at the cat. LT1 car cat locations were slightly different than found on the 3rd gen platform.