My friend has a ford lighting with a supercharger. We have similar set ups less his is a ford and mine is a 91Z28. I am pushing 8lbs of boost via paxton, tes headers and a 3in flowmaster cat back system. .. dual cats. Anyway, he put headers on, and a basani cat back system on his truck and it made huge differences. We took my car out after a run in his and you can actually hear the exhaust gasses trying to get out of the muffler. It sounds like an aircompresser pushing throuhg a straw Anyhow, on the lighting board someone had mentioned a muffler change to the magna flows and it resolved the problem. I was wondering if anyone else had any experience dealing with magna flow mufflers? And the problem i am having with the exhaust system? I looked into a 3.5-4inch oval exhaust kit and or a custom dual system but they are an arm and a leg I am attempting to save up for some afr heads and don't want to throw my cash in unnecessary parts....if ya know what i mean! Any help would be GREATLY APPRICIATED

Get the Magnaflow muffler or rear section exuast since you already have a 3" pipe.

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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....

To be installed eventually far far far into the future: Yours if the price is right and I don't have to ship :
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

[This message has been edited by Tas (edited August 02, 2001).]