Header Back Exhaust Q
I am kinda thinking if mandrel bend is really necessary for my header back exhaust (I already have a racing header). I am thinking about using 2.25[in] pipe w/o cat. Or should I just use crush bend for the simplicity and exhaust shop avaliability.
I know Racing Beat has an exhaust for my 79 RX7 but the price is way too expensive, plus I already have a Sebring straight thru dual tip muffler - it will look good on the car. So what do you guys think? 2.25" crush bend or mandrel bend? Thanks. |
mandrel bending makes for a FAR smoother exhaust flow (which reduces backpressure)
In addition, crimped-bend narrows the exhaust causing further restriction, and creates neat little pockets for vapor to trap and rust through your pipe in no time. The RB stuff costs more initially but chances are it will outlive the car, and has a proven performance gain. A kweshtin: is the Sebring muffler rotary specific? If not the high temp exhaust put out by a rotary will destroy that muffler faster than you can say "I should have bought the right parts" :) |
my dyno max muffler i had on my gs for over 6 monts of hard daily driving and it is still perfect so much so i'm going to put it on my GSL
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which dynomax muffler are you running, I'm looking for something a bit louder then the powerpulse muffler.
matt |
this 1
and i'd like to add one of these for a second presilencer http://www.dynomax.com/images/Bullet.gif |
Originally posted by Manntis mandrel bending makes for a FAR smoother exhaust flow (which reduces backpressure) In addition, crimped-bend narrows the exhaust causing further restriction, and creates neat little pockets for vapor to trap and rust through your pipe in no time. The RB stuff costs more initially but chances are it will outlive the car, and has a proven performance gain. A kweshtin: is the Sebring muffler rotary specific? If not the high temp exhaust put out by a rotary will destroy that muffler faster than you can say "I should have bought the right parts" :) |
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