B & B muffler & GHL Cat test Pipe just installed

[carnut169]

Just installed a B & B muffler and a GHL stainless cat test pipe, and my 911 now sounds like a 911 should. Any more power? Who knows. Feels like there might be more.... but I kinda think that's b/c the exhaust is louder. I was able to pick up the B & B muffler (3.5" single in- single out) on Ebay for $275 so for what I have in the system I am very happy. The installation was a breeze. Thanks to Tom (at Pelican) for his help w/ the GHL pipe. If anyone is considering the same set-up I would recommend it!

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87 Carrera Cabriolet

[Rustbucket]

Glad your upgrade turned out well. I'm sure it sounds great.
I think most 911's are too quiet. I know that we're supposed to be a more sophisticated group, but I think the 911 should sound like a sports car in addition to handling like one.
Why should the Mustang crowd get all the great exhaust notes?

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Clint
73T mfi coupe

[stuttgart]

I'm glad to hear this .... I have been wanting to do a exhaust upgrade.. now I know which one to go with .
Eric McKenna
78 SC

[cab83_750]

Clint,

Mustang! Screw them. I've been driving one for 2 weeks now and it..... sucks. Braking is spongy, feels like sitting on plywood, sways like an SUV, takes curves like pavement is oiled (i.e., it does not stick).

I must 'kinda' agree about the sound. But, as my Grandpa once said..."Never trust the words 'sounds', 'feels', and 'looks'"

HOORAY for my belated Grad!!!!!! I sure missed the old booger.

[Doug Zielke]

I think the best part of going to a test pipe, is that you cool down the left side of the motor dramatically. The GHL pipe sits well away from the valve cover, out in the air-flow. Makes for easier valve adjustments, too.

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'81 SC Coupe (aka: "Blue Bomber")
Canada West Region PCA
The Blue Bomber's Website
"If it ain't broke...we'll help you fix it 'til it is!"

[carnut169]

Just a follow-up. I removed the test pipe- my car felt like it had LESS power. Sold it on Ebay for $142.00 and lost $150.00.


I do have new gaskets and a new O2 sensor so not a total loss.... but would not recomend this upgrade.

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87 Carrera Cabriolet

[R22tech]

So Sean, you DO like the B&B muffler but NOT the GHL test pipe? And you feel like the muffler may have ADDED power and the test pipe actually reduced the GAIN? Does it still sound good?

[Doug Zielke]

If your cat is healthy and free-breathing, I doubt you'd find much extra hp with a test pipe. But if the cat's collapsed and melted inside (like mine was), there will be an improvement. A good sport muffler will offer anything from a couple of hp to around 2000

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'81 SC Coupe (aka: "Blue Bomber")
Canada West Region PCA
The Blue Bomber's Website
"If it ain't broke...we'll help you fix it 'til it is!"

[carnut169]

Doug- The B & B muffler does make the exhaust note sound better. The combo of muffler and test pipe made it loud and mean. A very deep rumble- it was great. But the loss of power made the removal an easy decision.


As to the power gain with the B & B... well I hear a power increase, really might be a couple hp which cannot be felt.


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87 Carrera Cabriolet