Guido

Dynomax Ultraflow 4" in/out muffler. The intermediate pipe came from the mufflex system.




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-86 IROC
S-Trim, Speed Pro, AFR
this years goal: 10.50 @ 130+ mph
-=ICON Motorsports=-

RW91B4C

Awsome, is that thing loud or what???

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91 B4C 305 TPI - SOON TO BE 383
TREMEC 5-SP, STOCK 1-BOLT REAREAND w/342 GEARS, K&N, AIRFOIL
EDELBROCK HEADERS, DUAL CAT TO HOMEMADE Y-PIPE & 3.5" SINGLE PIPE W/ FLOWMASTER, CRANK PULLEY, MSD, FUEL PRESS REG, COWL HOOD, WELD WHEELS
14.1@ 98MPH
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OTHER RIDE
67 CAMARO - STREET CAR, BIG BLOCK, PUMP GAS
350TH w/ATI 10", 12-BOLT w/373 GEARS
10.94@124.13 ON MOTOR - ET-STREETs w/MUFFLERS

Guido

Dont know yet. I havent got to start it. Im halfway through installing a new Speed Pro ECU and 55# injectors in my car so cant start it right now.

Phil87IROC

iTrader: (1)

Guido,

Is that the 16" long version of the Dynomax muffler? Let us know how loud it is. I have to get a 4" muffler (or 2) for my carbed 383. I have Hooker LT headers and a mufflex y-pipe (4" out). I was thinking of this muffler or a 16" Borla. I may have to put a 12" muffler then a 16" in series to quiet is down a bit for the street.

What do think?

Thanks!

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Phil87IROC
Blue '87 IROC, 383 Crate Motor, KB pistons, AFR 190 heads, ZZ-9 cam, Edelbrock RPM intake, Hooker SC/LT headers, Edelbrock 750 cfm Carb (#1411), stock T-5, GM 3.42 rear w/Auburn posi.
Ohio Valley Dragstrip Trophy Bracket WINNER - 8.39 ET on a 1.82 sec. - 60'. Best MPH = 84.44. Still Tuning Carb!
Red '89 IROC L98, TES, 700R4, T-Tops, K&Ns w/open air boxes, 160 T-stat, Hyper Chip, gutted MAF & CAT, Jacobs Ign., 53kv coil, MSD wires.

[This message has been edited by Phil87IROC (edited June 09, 2001).]

AJ_92RS

That looks mean!!!! Cool as all get out. It'll probably be loud as a fog horn!!!! Especially with no tailpipe. Everyone will know your coming, and when you've passed by. Like to make your presence known, don't you!!! The cops will know ya too.

Guido

I had the dynomax BULLET muffler before with true duals and it was loud as hell. However they had no insulation. There is 1" of insulation all the way around this muffler so I think that it will actually do some muffling. The SLP muffler on my Formula looks like this one looking in the inlet. Corrugated metal with insulation around it. It isnt terribly loud. I hope it isnt MEGA loud. I still want to drive the car once in a while on the street but at this point in its life, its pretty close to a strip car.

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-86 IROC
S-Trim, Speed Pro, AFR
this years goal: 10.50 @ 130+ mph
-=ICON Motorsports=-

LB9GTA

iTrader: (1)

Sorry to bring up an OLD post, but there are no pics on it now!

Guido, can you upload the pic of 4" exhaust and a sumped tank please?

Twin_Turbo

iTrader: (25)

Here's a 3.5" system with a sumped tank, could have done 4" but it's tight aeound the panhard support. A little cutting and welding on it can easily remedy that

LB9GTA

iTrader: (1)

TwinTurbo? What is that muffler?
Brand?
Size?

midias

You could also get an aftermarket panhard bar that has clearance for a bigger exhaust.

Twin_Turbo

iTrader: (25)

Spintech super pro street 9000 in stainlesd

Twin_Turbo

iTrader: (25)

Yes but being on the other side of the world diy and custom built is often the best way. A panhard support is easy to fab

LB9GTA

iTrader: (1)

I have a founders Panhard bar relocation and it makes for alot more room

midias

Oh yea just noticed that. Get the welder out and make it happen