87 Iroc Exhaust Question

[staticz2229]

I just got my 87 Iroc up and running, here are a few brief specs:

- 409 SBC
- Holley 750
- Headers
- Moser 9" Rearend
- 35 Spline Detroit Locker

Nothing special, but hey I am just starting. My next step is the exhaust,
I currently have headers dropping into the Y-pipe then 3" all of the way
back to a factory style muffler. I also have a cut-out in the middle of
the pass. door that I can attach a custom pipe to do dump out of the
side. What are your suggestions to the best street (not necessarily legal)
exhaust setup?

Any help would be greatly appreciated.

Thanks,
BRYDON

[Snigga]

Open headers.

[Chris 96 WS6]

He said STREET!!

[five7kid]

For a fairly mild engine, you can stick with 1-5/8" shorties, 2-1/2" downpipes, and 3" on back. Hooker 2055HKR shorties & y-pipe are very good in that case.

If your engine is a little healthier, and you can live with a little loss of ground clearance, then Hooker 2210HKR long tubes with 2-1/2" duals out the back will free up some ponies. The duals will have to be fabricated, and the header install isn't a simple bolt-in.

[LS1ZZ28]

what i did on my 88 iroc with 406 550hp + 300hp n2o was hooker 1 3/4 long tubes and custom dual 3 1/2 oval into dual 3 1/2 oval flowmasters that was about 9 years ago it was very loud around town but it sounded evil. I made a couple of resonators and stuffed in the tailpipes, which had to turn out in front of the rear tires, they toned it down alot for street driving