CaliCamaroRS

a co-worker of mine just bought a 2.8 rs with a flowmaster and it sounds bada$$ but i don't know what series it is.i gotsta get one for my car. what's the differences between the 40 series and the 80 series????

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Dan
100% stock 1990 RS 3.1L
and VERY slow

Apeiron

I think the 40 is single outlet and the 80 is dual outlet.

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1984 Silver Z28, 383 cid 4 bolt, ARP Fasteners, 2 1/2" Cowl Induction Hood, 600 cfm Performer Carburetor, Torker II Intake, Performer RPM Heads, XE268H Cam, Magnum Roller Tip Rockers, MSD6AL Ignition, Blaster2 Coil, Recurved HEI Distributor, 700R4, TransGo SK, 2.73:1 Limited Slip Dana 44, Terminator Headers, Custom 3" TIG Welded Stainless Exhaust, Flo-Pro Twister Muffler, 4 Wheel Disc Brakes, Oil Cooler

speed88

I own a 80 series flow, I have it on my GTA with the L98. If I were you I wouldnt get it, the 80 has a very tinny sound to it a certain rpm's. It is not as muscle sounding as you may think.

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88 GTA
L98 350
700R4
3:27 axle
MODS,
Edelbrock TES headers, 3" straight pipe, Flowmaster 80 series, K&N filter, Accel 8.8mm wires, Bosch Platinum plugs, Wells cap and rotor button, Wells ignition module, MAF screens removed, Hypertech TB air foil, Thermomaster stage II chip, 180* Powerstat, Hypertech cool fan switch, B&M shift kit, B&M power clutch pack, B&M servo, GM fuel filter.

86Trans Am

Here is the american thunder cat back, dual 3" outlets.

He's right about that tinny sound at certain rpms, but i have also heard from several people that that sould goes away after awhile, we'll see.



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1986 Trans Am
305 TPI
"If it's not one thing, it's another!"
http://www2.hanover.edu/hierlmeier

The Rusty Trombone

Hey, what part # is that catback because All the ones that I look up just have a single outlet on the american thunder, just wondering what p.n. it is,

thanx
jack

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1987 Midnight Blue Camaro IROC-Z, 350 TPI out of an '88.

The Rusty Trombone

hey, bringing back an old topic... but i think i found the part number... please confirm or answer if it is 17233 ... because on Jegs it says American Thunder dual outlet and on Summitracing.com it says its Force II dual outlet... im ordering this for christmas so an answer would be extremely appreciated...

thanks,
jack

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1987 Midnight Blue Camaro IROC-Z, 350 TPI out of an '88.