ExhaustPost your questions and suggestions about stock or aftermarket exhaust setups. Third Gen exhaust sound files and videos!
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I assume you're talking about the shortie Super Comps, 2055's, since you're talking about them being an alternative to TES.
They aren't perfect as delivered. The collector is a ball flange to the y-pipe, and the opening in the ball is a whopping 1.9". I emailed Hooker about that, their response was something to the effect that it was that small to help promote sealing, that it didn't affect performance since the gasses have slowed down by the time they get to the collector. Right. I took that as an attempt to justify a compromise in design. So, I did a fit check of the y-pipe, and opened up that flange to about 2-3/8".
I did the install as part of the mods in my sig, so I had the engine out. I put the headers on the engine before re-installing it, then mounted the y-pipe. It wasn't a perfect fit, the y-pipe being wider than the collectors as installed. I made it work, but it could have been better. Not sure if my other aftermarket parts affected the fit, but they shouldn't have.
Spark plug fit is tight. I used Accel short plugs. Had to get another wire for cylinder #3 (stock LG4 is straight boot, requires 90 degree with the headers).
I also stripped the factory paint and used DEI 1500 degree paint (from Summit). Stinks at first, but looks pretty good now that it's cured. Bud here used that paint on his manifolds 5 years ago, look as good today as my fresh job.
The end result is nice, but getting there wasn't exactly a bolt-in (but, there's no such thing as a bolt-in).
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82 Berlinetta, orig V-6 car, now w/86 LG4/TH700R4, 2300 stall TC. Ported World 305 heads, Crane PowerMax 2050 cam. ZZ3/4 intake, oil pump, pan & baffle. Accel HEI SuperCoil & module. Hooker 2055 headers, 3" Catco cat & 3" catback w/dual-opposite Flowmaster 80. 2.93 limited slip. Spohn SFCs waiting to be installed. AMSOIL syn lubes bumper-to-bumper. Daily year-round driver. Best ET, speed TBD...
57 Bel Air, my 1st car. '66 396, 9.7:1 forged TRWs, Weiand Action+, Holley 750VS w/4150 conversion, GK 270 cam, Magnum rockers, Jacobs Omnipack, 1-3/4" Hedders & 3" Warlocks, TH400 w/TCI Sat Night Special conv & Trans-Scat shift kit, MegaShifter, 3.08 8.2" 10-bolt w/Powertrax, AMSOIL syn lubes bumper-to-bumper. Idles smooth @ 700 RPM in D. Best 15.02/95.06 @ 5800' Bandimere (corrected 13.93/102.4 @ sea level).
hey man...thanks a lot. yes i was talkin about the 2055's. From all u told me im not too sure if i will get them now but its like u said "nothing a bolt in" so i may run into problems with ohter headers. Thannks again.
Since I did the whole thing in one fell swoop, it's hard to say exactly what affected what. Compared to the factory LG4 manifolds & cat with the 2.5" GTA catback I had on it before, it is definately louder with a nice growl to it. Gets kinda pingy-sounding when you really get on it (some have described it as tinny). Typical Flowmaster. I would guess the muffler has more to do with the tone than the headers. But, the headers probably have a lot to do with the way it runs (which is great).
Should have said I did the y-pipe fit check in order to center the opening of the ball flange on the downpipe as I opened it up. Diegrinder was worthless (that ball flange material is hard!), finally used a 3.5" high-speed electric angle grinder to do the job. Oh, I only opened them up to slightly over 2-1/4", about the ID of the 2-1/2" OD downpipes. (must be getting tired).
I just used the Hooker Shorties, part 2046 I think. You need to get collectors and a y-pipe with them but they work great. Louder than the factory manifolds but that is the way headers are. It is nothing major. I use a Walker Quiet Flow muffler and it is pretty quiet until you step on it. Even then it is quieter than almost any other performance muffler because that is the way they designed it. I like it a lot and wouldn't mind if it were only half as loud as it is.
But I'm 43 and that how you get to be after all these years
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1986 Camaro Sports Coupe
Flame Red Metallic with Black accents and Red interior
T-tops, variable wiper, power hatch, rear defrost, third brake light
LG4 305 V8, Hooker Shorty headers, 3" pipe into Walker Quiet Flow dual exhaust
Edelbrock Performer intake, "Damonized" Q-Jet 4bbl, K&N filter inside a 305 H.O. dual snorkel aircleaner
Crane vacuum advance kit, Proform 50,000 volt HEI coil and MSD 8.5 mm Super Conductor wires
TH700R4 transmission and Derale cooler
Air conditioning, power windows, power door locks, power brakes, power steering, tilt wheel
Kenwood cassette, Pioneer 6x4 component front speakers
Rockford Fosgate 6x9 Punch rear speakers
Z-28 front and rear sway bars
Aluminum slots and Goodyear 225x60R15 Eagle HP tires
243 horsepower and 326 foot pounds of torque at the flywheel
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Yea verily, and he smote the smog heathens from his small block Chevy, even from the air pump to the converter ...
Todd 1:1
i got the hookers on the firebird and just with the stock mufflers the car is pretty loud. It's kinda nice when you have to pick up a friend they can hear ya coming from around the corner so they get out of their house so you don't have to get out of the car! I recommend these, good for the price also.
