I'm trying to decide if I want the Hooker cat-back or the Flowmaster American Thunder kit.

What would a 50 series Flowmaster sound like that comes with the kit? Does anyone know how much the American Thunder kit is?

I want a deep sound that you can hear coming and feel in your chest when it gets to you. This will be running with Hedman shorty headers their y-pipe and no cat. And of course the cat-back will be 3".

Those of you that have heard either of the systems please post your responses.

Does anyone have opinions on either of the systems? I'm hoping that this all won't be one sided. Sorry for making this all so long.....Thank you for your help!

Justin

 

IMO, Flowmaster.

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Looking For:

87 IROC-Z 350 TPI
84 TRANS AM 305 H.O.

 

I've heard both systems and I have the dual exit American Flowmaster 3in. cat back system. Both sound good, I would be happy with either one. But I prefer the sound of the American thunder it has a lower tone, more of a rumble sound. I also like the dual 3in. stainless pipes coming out of the muffler better than the hooker ones that split into 2 pipes a the end.

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best 1/4 mile so far: 13.4 @ 101mph

84 Camaro 305 ported & milled heads, 3 angle valve job, Edelbrock Performer RPM intake, Hedman full length headers, Accell ignition, Crane 274H cam, B&M 700R-4, 3000 stall speed, 4.10 gear,
M/T ET street tires
visit my website at http://www.geocities.com/jbenge/page1.html

 

Are the pipes coming out of the flowmaster just round pipes for the tips or are they slash cut like the stock mufflers are?

 

I am very happy with my Hooker system, but if the American Thunder system had dual, opposite side exits availble for my car, I would have bought that one. I think the American Thunder is like $325, I got my Hooker from Jegs for $260.

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1987 Chevy Camaro IROC-Z
L98 TPI 350 (5.7L)
TH 700R-4 Transmission
Borg Warner 7.75" 9 Bolt Rear End

Current Mods: LT4 Hot Cam, Comp Cams 1.52:1 Roller Rocker Arms, Edelbrock TES 1 5/8" Headers, Hooker 3" Aerochamber Cat-Back System, Performance Resource Chip, Accel Ignition Coil, Cap, Rotor, 8.8mm Wires, K&N Filters, JET TPI Air Foil, All Free Mods, Falken ZIEX Z-Rated Tires.

Best ET (w/o LT4 cam): 14.32 @ 97.7mph
(corrected for elevation)

7.5" 10 Bolt with 3.42s soon to come!

 

I don't think you can go wrong with either system.I have the 3in american thunder and added a 3in catco cat and it has a nice low rumble.I also liked the round chrome exhaust tips.I think the split tips on the hooker system look very good too,and everyone on this board that has that system has said good things about it's sound quality.I think you'll be happy either way.Good luck.

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1987 Firebird Formula LG4,700R4,WS6,2.73 open rear
Current Mods:Flowmaster 3in. American Thunder cat-back,3in. Catco converter,L69 dual snorkel,K&N filter,roof console,Pioneer 1.5din cd player,BostonAccoustics 4x6plates,eclipse 6x9
ComingSoon! 350 crate motor(caprice),SLP coated 1 5/8 headers,edelbrock intake,edelbrock aluminum water pump