The Header-back (or header back) is the part of the exhaust system from the outlet of the header to the final vent to open air — everything from the header back.
https://en.wikipedia.org/wiki/Exhaust_system
The flex pipe is a pipe that conects the exhaust manifold to you exhaust so that when the moter shifts it doesn't shake the whole exhaust syster. Yes it can be the reason that you car is so loud. OR, it is a cheap way to replace a faulty exhaust pipe. Hi, I own a 1990 Plymouth laser also. The flex pipe is on what they call the J pipe. It attaches your exaust manifold to your catalytic converter. There is also a brace for the J pipe that runs from the pipe right under the manifold and attaches to your engine block. It has been known to cause a hole in the pipe where it wraps around.
http://www.answers.com/Q/What_is_a_%27flex_pipe%27_what_does_it_do_and_can_it_be_the_reason_a_1990_Plymouth_Laser_engine_is_really_loud
Well a flex pipe is just a moveible pipe that is attached somewhere on the exhaust. It's just a really cheap fix if you have an exhaust leak. If I were you, i'd get a shop to put a solid pipe back on there for me. zurrock21 · 6 years ago.
https://answers.yahoo.com/question/index?qid=20090826123042AA3TAQ6
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Best Answer: flex pipe is the down pipe between the manifold and catalytic converter that flexes-it is braided steel that allows movement in the exhaust with out having it leak it would need replaced because it probably was rusted through. Source(s): auto service 9+ yrs.
https://answers.yahoo.com/question/index?qid=20090826123042AA3TAQ6
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http://www.ebay.com/sch/i.html?_nkw=flex+pipe
Report Abuse. Flex pipe is the parts of your exhaust that are curved...Economy cars are common to have these instead of mandrel bent tubing for parts of the exhaust that require expensive bends. You can buy a six foot length for about 12 dollars...and the two clamps to fix it for about two dollars each..
https://answers.yahoo.com/question/index?qid=20090826123042AA3TAQ6
My car was super loud so i took it in and they said it was caused by a broken flex pipe. Whats a flex pipe and what causes it to break? Just curious. I have a 97 hyndai sonata if that helps.
https://answers.yahoo.com/question/index?qid=20090826123042AA3TAQ6
Exhaust manifold (chrome plated) on a car engine. Muffler and tailpipe on a car. An exhaust system is usually piping used to guide reaction exhaust gases away from a controlled combustion inside an engine or stove. The entire system conveys burnt gases from the engine and includes one or more exhaust pipes.
https://en.wikipedia.org/wiki/Exhaust_system
what is a flex pipe on a car
A flex pipe on a car is a a pipe that conects the exhaust manifold to you exhaust so that when the moter shifts it doesn't shake the whole exhaust syster.