Mike, I have heard Dynomax sells a 2 3/4 system that works well on modded
v6's or stock v8's and the cost was under $200.
Kelly in SC
'96 5.2 CC
In a message dated 1/7/00 12:07:08 PM Eastern Standard Time, mps01@home.com
writes:
>
> I called Gibson today about the 3 " cat-back exhaust being too big for
> the 3.9l. I talked to Jim in technical and told him that i was losing
> low end power and really didn't show any gains with it. I told him that
> a few others had experienced this problem and we felt that it was too
> big and we are losing too much back pressure. He told me this was the
> first he had heard of it, but did say that anything was possible. He
> took down the info and filled out a technical report on the problem. He
> said if he had a couple of more calls on it he would go and look into it
> (i.e. smaller exhaust). I told him I was on the DMl and he said if
> anybody has had this problem to let him know. I gave him the url for
> the DML and he said he would try and post something. He also said he
> would let the sales reps know and if they had a v6 in the area that
> wanted to be "used" as a test truck to see if they experience that same
> loss of power he would give them a deal and put it on for free.
>
> Now what I need if possible is anybody who has had the Gibson 3" on the
> v6, or even went with a 3" exhaust and lost low end power/tourque, to
> give them at call. Their number is 1-800-528-3044. Ask for Jim in
> technical or for ext. 109. The more reports he gets, the quicker he
> said they will look into and correcting it. Maybe we can get a Gibson
> cat-back in 2.5", or whetever size that works better, and get the sound
> and performance gains and not lose the low end power. It's worth a
> shot. We really don't have anything to lose.
>
> Thanks
> Mike
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