I recently bought a 1989 305 tbi trans am.I installed a 80 series flowmaster with the chrome tips and was not to satisfied with the results.It is 100 times better than the stock muffler which makes no noise.After looking at alot of post IT seems that alot of people recommend new headers and cams.Will this produce a more agressive sound and will it also improve the performance of my car.IF so which cams and headers do you recomend..........Thanxs

 

Yes, installing headers and a cam will make it sound much better, and improve performance alot also, but they really shouldn't be done just for sound because these are not cheap things, although u can.

Headers are usually $300-$400, cams are like $100-$200, but for a cam to work right with the engine u will need new heads and other things, and heads are like $800-$1,200!! All these prices are estimations, but thats what the prices usually are. So if u want sound u should really look into learning more about performance because sound comes with performance and u have to know what u are doing to have a good running car.

------------------
Looking For:

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

 

An estimate of a cam only costing $100 to $200 is not accurate. I just got done swapping the cam in my 87 IROC with the LT4 Hot Cam from GMPP ($184). With the cam I had to buy a new timing chain ($90), new valve springs and seals ($185), machine work on the heads ($115), gaskets and asorted other parts, i.e. new O2 sensor ($130), all in all close to $700 I think.

------------------
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 said those #'s assuming u were to do all the work yourself. I also said that there are other things.

------------------
Looking For:

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

[This message has been edited by IROCZTWENTYGR8 (edited February 24, 2001).]

 

Thanxs for the advice.....I have alot of major research to do now.......I am not just going to add parts on my car and then get no improvement because it is running bad to begin with.....For now I have just done the tune up and exhaust.....Thanxs

 

$130 for an o2 sensor!? That seems awfully expensive. I just bought one for $17.99.