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Dynocomp header
Recently I obtained a dyno comp m111 header from another member I am in the process of installing it properly
I will be updating dyno comp on my progress so they may make one for our w202 autos
Current I had to cut 6 inches in length off the header to clear the idler arm. as the header is too angled. (Will tell them to make less angle to clear idler arm )
I'm using a 4in ( inner diameter) to 3 in reducer pipe ( regardless ) and some careful welding because I had to cut the coupler off the header and my mig is broke ..
Was hoping to grab a 3 in flex pipe but I couldn't find one so for a later day that part shall come
My exhaust is (was stock pipe sbend to a) (will be 3in from header now )
a 3 in cat- to 3in (18 long) resonator- to 2 1/2 pipe to the factory y pipe (was to the split cat system has internal restrictor to the one side to give a unique note to two 2 1/4 pipes to 2 mufflers straight out the center (vette style)
Sounded deep and not too raspy but flipin loud ..
After the header is on I'm going to experiment with rasp boxes like the s2000 uses to break up rasp notes in the pipe that the resonator didn't catch 3g cold has rasp hot ? Different story
Any who
I'm told these motors need to breath like any forced induction car more flow is more resonsive
I know 3in may be a bit big but it's what I gots I wanted a deep rumble and I will obtain it dammit !!
Will finish it up tomorrow hopefully
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Actually made the car morequite more responsive and way faster in the high end
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oh btw ... I hate cutting stainless steel ..... hate it with a passion ... but alas im am but a newbie fabricator (newb newb newb my newbism took a arrow to the knee)
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also im going to try and fabricate a t coupler for the vdo system or try a bov coupler off of ebay
Last edited by vaspen; 09-28-2015 at 06:52 PM.
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Member
Looks good. I want to get a complete new exhaust, 2.5 inch, no cat and a new manifold and ofc keep the amg muffler =)
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if your close by we have a pipe bender
I'm in the north east usa
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Member
Not so close, I live in northern Norway. But the car is going into winter storage now anyways .. do you have a video of the engine?
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Have to fix a header bolt that I overlooked first
always had a weird noise under throttle sense I've owned the car and now I think I know why so a vid in the future because the gas leakage is worse but regardless the car woke up up top
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