I want to get a pipe to put inplace of my cat. What or where did everbody get theres? I would like to be able to put the stock cat back on when emissions come around. thanks!

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92 Firebird
305TBI, Edl.Tbi Perf.Manifold, Full exhaust, air intake, 16" wheels, Tbi spacer

 

I know there are people that can help!

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92 Firebird
305TBI, Edl.Tbi Perf.Manifold, Full exhaust, Mac muffler, air intake, 16" wheels.

 

I got my off road pipe from Mac. I think there website is macperformance.com Good luck and this will make your exhaust very loud.

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88 IROC-Z 305 TPI 5 speed
Performance Resource Chip, Flowmaster American Thunder cat back exhaust, B&M Ripper shifter, MSD coil, TB bypass, TPIS MAT relocation kit , TPIS 170* t-stat, Richmond 3.73 gears, March Power & Amp pullies, Home made Ram Air, Steve Spohn SFC's, LCA's , Panhard bar, TPIS AFPR, Ported plenum by Daniel Burk, Gutted cat
Best et: 14.232
Best mph: 97.76
Best 60': 2.063
http://hometown.aol.com/famioso15/johnnyiroc.html

 

Most will require a custom pipe be made. If you are lucky enough to get headers from a company that also makes an off-raod pipe, you're in luck. MAC has off-road pipes for thirdgens, but they are pricey. You can also contact some aftermarket online vendors (musclemotors.com).

Here is the MAC OR pipe, I have one on my 4th gen (for a 4th gen), but my 3rd gen will be a custom piece.



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George P. Lara
3rd Gen, 4th Gen
SCCA, SCFB, SC3GFB

 

I made my own off-road pipe. I wanted a slip-over on both sides so I could just clamp it on. What I did was bought a set of 18in Hooker slip on header collector extensions (P#520-11330 from JEGs), then cut the slip over area off one and welded it on the other. Viola, slip over on both sides, works excellent and costed $40.

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'89 Firebird Formula 350
L98, WS6, Red/grey, t-tops, and a 3.27:1 rear
K&N, TB bypass, no MAF screens, CAI, full Accel ignition, no cats, Hooker Supercomp shorties, Hooker 3-inch catback
ET? The POS runs 15s.
Also own '83 Firebird 2.8 2bbl. 155K miles.
ET? Break out the calendar!