Did stock muffler have mandrel bent exits?
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Joined: Sep 2005
Posts: 615
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From: Philly, PA
Car: 91 RS, 95 Z28
Engine: 305 tbi, 350 lt1
Transmission: 4l60, 4l60e
Axle/Gears: monsterous 2.73s in both
Did stock muffler have mandrel bent exits?
When doing some body work I noticed the exit piping that comes out of the exhuast is mandrel bent. Is this stock?
The I pipe is not mandrel bent.
The I pipe is not mandrel bent.
Thread Starter
Senior Member
Joined: Sep 2005
Posts: 615
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From: Philly, PA
Car: 91 RS, 95 Z28
Engine: 305 tbi, 350 lt1
Transmission: 4l60, 4l60e
Axle/Gears: monsterous 2.73s in both
So is it safe to assume my muffler is not stock? If so, is there anyway to tell if its free flowing? It has a nice sound to it, and if it is a perf. muffler then thats a couple of bucks I can scratch of the to-buy list.
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Joined: Jul 2001
Posts: 5,225
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From: Buffalo, NY
Car: 1988 IROC-Z
Engine: 427 SBC
Transmission: ProBuilt 700R4
Axle/Gears: Moser 12 Bolt / 3.73 TrueTrac
My stock muffler tips have no crush bends. It's smooth. My I pipe is stock too, and it has no visible crush bends in it.
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Thread Starter
Senior Member
Joined: Sep 2005
Posts: 615
Likes: 0
From: Philly, PA
Car: 91 RS, 95 Z28
Engine: 305 tbi, 350 lt1
Transmission: 4l60, 4l60e
Axle/Gears: monsterous 2.73s in both
Darn.
My i pipe does have crush bends, but the muffler outs do not
. Whatever, I'll keep performance catback on the list.
My i pipe does have crush bends, but the muffler outs do not
. Whatever, I'll keep performance catback on the list. 
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Joined: Dec 2002
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From: Rocklin, Ca
Maybe the different model F-bodys got different exhuast options? I see that we all have different cars here. Mine is an 85 Z28 so maybe before that they started crimping them.
Last edited by Cali Z; Jun 1, 2006 at 03:28 PM.
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Joined: Aug 2005
Posts: 618
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From: San Leandro(Oakland)
Car: '92 Toyota Pickup
Engine: 22R-E
Transmission: 5sp Manual
Axle/Gears: 4:??
Iv'e seen crushed bent muffler tips on older thirdgen's but not on the newer ones. If that helps at all, lol.
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