I'm planning on getting the flowmaster 40 or the 80 which one is better for a 305 TPI with SLP 1 5/8th headers

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87 IROC-Z, 3.23 posi, new 305 TPI, and soon to get new trans and world torquer 305 heads

I know that the 80 mounts transverly, like OEM...check the sounds page. i believe some1 has clips of the 80

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1991 Camaro RS 5.0 TBI

Depends on if you want tailpipes on both sides or one side. Personally i think the single tip looks kinda odd, but does sound better. Just a matter of opinion. I used an 80 series on mine

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88 Camaro (The mighty LO3 SC!)
305TBI/700R4/2.73/125,XXX miles
10" Open Element and Flowmaster 80 seires
Bosch Platinum plugs
Double silicone Accel wires


Next up: headers and gears

Series 40....

-ONE2FLY

I got a 80 series on my car and you cant see the tips anyway.

If u want tips go with the 80 Series, if not, the 40 Series.