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da89cup · 07-06-2001, 02:35 AM

I have an 89 coupe & I put 4" pipes on mine & I love them. Nobody said anything bad about them either, & it did make my car sound better. They are 24" long, you need the length so that when you look at your car from the side, you can't see the tiny stock pipes welded to the 3.5" pipes. After installing the 4" pipes, I can't believe how small the stock pipes are, they should at least be 3" in diameter. Good luck with you car.

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89 coupe, 351W, 351W heads, 30lb injectors, 190lph pump, 80 maf, 70 tb, ? cam, cobra upper, gt 40 lower(14.6at95mph)

07-06-2001, 02:35 AM	#7
da89cup Registered Member Join Date: Feb 2001 Location: edmonton, alberta, canada Posts: 55	I have an 89 coupe & I put 4" pipes on mine & I love them. Nobody said anything bad about them either, & it did make my car sound better. They are 24" long, you need the length so that when you look at your car from the side, you can't see the tiny stock pipes welded to the 3.5" pipes. After installing the 4" pipes, I can't believe how small the stock pipes are, they should at least be 3" in diameter. Good luck with you car. ------------------ 89 coupe, 351W, 351W heads, 30lb injectors, 190lph pump, 80 maf, 70 tb, ? cam, cobra upper, gt 40 lower(14.6at95mph)