Just got back from the exhaust shop. Had an 80 series and a 3" custom madrel I-pipe installed as well as a 3" hi flo cat. Power gains are noticeable, but I attribute that to replacing the old, clogged cat.

Anyways, the car sounds great, not tinny, it could be louder, but it sounds very clean.

Will it get louder with time?

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1991 Firebird Formula
305 TPI,Auto,Custom 3" Mandrel bent I-pipe, Flowmaster 80 series muffler, 3" hi-flo cat, Accel Cap & Rotor, K&N Filter, Grant GT Steering Wheel, 5% Rear tint, Pontiac Windshield Decal, Fresh paint

Former owner of an 88 2.8 Firebird....RIP

 

I have heard that it takes about 1 week for it to really start sounding better.

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Big 454 72 Chevy Nova
383 86 Camaro Z28
10.5:1compression 186 casting Heads,234dur.488lift exh&int,Edelbrock performer intake, Holley750 vac.sec 400 crank,flat top pistons,edelbrock valve springs and lifters,tranny shift kit,kickdown kit and tranny oil cooler. Will install 3.73's later on and might go with a more aggresive cam.

[This message has been edited by Big454blockchevy (edited April 06, 2001).]

 

Yeah, it will take a little bit of time. When I got mine put on it sounded "alright", but better than stock. Within a couple of weeks I noticed that the sound getting louder and deeper. Then when the headers were put, oh yeah!!, the exhaust sounded awsome.

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'91 Z-28 5.7, SLP 1 3/4 headers, 4 inch Mufflex/Flowmaster cat back, gutted cats, Edelbrock intake, 8.5mm Jacob wires, MSD Blaster coil, S&W subframe setup, Jacob Pro Street Ignition, complete Kenwood system.

 

I got it and i could only tell a little difference between the flowmaster and the stock but its been like 2 months and know it is loud.....Especially when you step on it and everyone is like

 

I HAVE BEEN CHECKING AROUND THE EXHAUST SHOPS FOR DEALS ON PERF MUFFLERS mEINEKE HAS A CROSSFLOW MUFFLER MADE BY MARAMONT ITS A CHERRYBOMB EXHAUST AND IS SIMILAR TO THE FLOWMASTER THE GUY @ THE SHOP SAID HE HAS TRIED ALL OF THEM AND THIS ONE FLOWS BETTER THAN AN 80 SERIES

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91 firebird vert
tan top&interior
305/700r4<br>MY SITE HERE

 

how much did your I pipe cost? yes it will get louder in a month or 2.

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-Tas
'89 Formula WS-6
[soon to have Hooker 1-5/8" 50 state legal headers installed]

305, TBI, auto, 14x3 chrome flat based open element with K&N, Milodon 160* thermo, functional Formula hood, cross-flow Flowmaster, '99z28 rear pipes and tips....

Super GRK_Taz World
EFI & Intake Options
AOL IM: superGRtaz

 

I-pipe was around $150 (Canadian)

The whole pakage came to $650 (Canadian) which is an awesome deal (around here)

 

I have one of the crossflow cherry bombs and it's not very loud. It might flow ok but i don't see how. I'm gonna ditch mine for a flowmaster just cause i want somthing louder.

 

Yeah, go with Flowmaster.


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Looking For:

87 IROC-Z28 350 TPI
The car I want.

84 TRANS AM 305 H.O.
Another car that would be OK to own while I still look for the IROC-Z!!

 

you have the Maramont Cherry bomb??? is it that bad i want a nice muffler but not a real loud muffler cuz i have a vert what does this muffler sound like i have seen the design of the muffler and i looks like it flows better that a 80 i don't knoww

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91 firebird vert
tan top&interior
305/700r4<br>MY SITE HERE

 

Do the mufflers that come with the Hooker cat-backs change after time too? for better or worse?

Wally

 

ttt....i'm interested

 

I got my cat taken off ( no emissions in my county, whoo hoo! ) and got a 3" system -w- 80 series Flowmaster. It took a few weeks to really get a nice sound.

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---Grady---
1984 Berlinetta.
LG4 305, 170 hp.
Rochester Quadraje(Comp. Controlled)
TH-700R4.
Flowmaster 80 series/ 3" cat-back pipe.
Accel Superstock Coil.
7.5 10-bolt rear/ 3.08's.
Edelbrock signature series air cleaner -w- K&N Filtercharger.
Pioneer head unit, Pioneer front 4X6's, Cerwin Vega rear 6x9's.
Daily Driver.

 

Get HEADERS!

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92 Camaro RS LO3, 5-spd, T-tops
Performance:
SLP 1 3/4" Headers (Coated by Paul Barry Motorsports), Flowmaster Catback Exhaust, Fastchip Performance PROM, Centerforce Dual Friction Clutch, Xact 8mm wires, Open Air Element w/K&N Filter, Z28 Grille w/aftmkt fog lamps
Electronics:
Alpine 8030 Alarm System, Valentine One Radar Detector (How did I ever drive without one?), Pioneer DEH 7450 Head Unit w/6-pack CD changer, Pioneer DEQ 7600 Sound Processor, 2 Kenwood KAC-846 Amps powering 2 12" Pro Red subs, 2 Pioneer 6x9 and 2 MTX 4x6 speakers.
NEXT UP: TBI mods, Edelbrock performer intake

 

Send CASH!!