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Crotchety Old Bastard
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A well known race tuner is getting a set so we shall see how they compare to others.
Packaging influenced primary length as did studies of various header designs currently available. All-out racing headers are not optimal for a street car, these are designed to be used on dual purpose cars that may require heat.
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RarlyL8 Motorsports / M&K Exhaust - 911/930 Exhaust Systems, Turbos, TiAL, CIS Mods/Rebuilds '78 911SC Widebody, 930 engine, 915 Tranny, K27, SC Cams, RL8 Headers & GT3 Muffler. 350whp @ 0.75bar Brian B. (256)536-9977 Service@MKExhaust Brian@RarlyL8 |
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Would you consider fabricating a set with 16 ge. aluminized steel - as a low cost alternative to stainless....?
Steel tubing 16 g is strong - and with an aluminized finish holds up surprisingly well 5 years later on a car...almost as good as 304. Currently, no one makes decent headers in the $350 - $400 range. ![]() ________________ '82 911 - sold '77 Spitfire '80 928 |
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Crotchety Old Bastard
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A great portion of the cost is labor. No third world labor rates or working conditions with our products. Right now T304 is an option that saves ~$200 per set. We are considering a mild steel option but I'm not too keen on that. Stainless is quality and 321 will out last anything currently on the market. I have a no questions asked 30 day warranty on my products and will work with anyone that has an issue past that point. Could not do that with mild or aluminized steel and would rather not be associated with pictures of rusty headers on the internet a year from now. Adding heat exchangers would simply not be possible due to liability.
You have to consider that these headers will be sold around the globe, in places very prone to rust such as the coastal tropics in the rainy season to Detroit in winter.
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RarlyL8 Motorsports / M&K Exhaust - 911/930 Exhaust Systems, Turbos, TiAL, CIS Mods/Rebuilds '78 911SC Widebody, 930 engine, 915 Tranny, K27, SC Cams, RL8 Headers & GT3 Muffler. 350whp @ 0.75bar Brian B. (256)536-9977 Service@MKExhaust Brian@RarlyL8 |
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abides.
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Will these use the '74 pattern muffler flanges?
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Graham 1984 Carrera Targa |
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I'm here to cause trouble
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JB
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have you measured the tube length on the SSIs?
also, what is the length on the ones in your pic? and what dia. are they? Last edited by RWebb; 09-22-2009 at 04:24 PM.. |
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Crotchety Old Bastard
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Yes the secondary tubes will have the 2-bolt early flange that will attach to OEM style mufflers. We will offer packages that include M&K dual inlet mufflers.
I have measured SSIs but don't recall what it was off the top of my head. They are pretty long tubes. Mine are 17.5" +/- 0.25" primaries. The diameter is 1.5" and will be offered also in 1.625" and 1.75". We are doing a short production run right now in 1.625" size. If I am on the right track with sales and marketing it is a combination of education and luck. This is just how I see it.
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RarlyL8 Motorsports / M&K Exhaust - 911/930 Exhaust Systems, Turbos, TiAL, CIS Mods/Rebuilds '78 911SC Widebody, 930 engine, 915 Tranny, K27, SC Cams, RL8 Headers & GT3 Muffler. 350whp @ 0.75bar Brian B. (256)536-9977 Service@MKExhaust Brian@RarlyL8 |
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I don't know how much labor is involved with building a nice set of headers, but I imagine it's upwards of 40 hours for an experienced builder if not much more. If I'm going to have someone spend that much time on something for me, I'm not going to skimp on material.
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2014 Cayman S (track rat w/GT4 suspension) 1979 930 (475 rwhp at 0.95 bar) |
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Crotchety Old Bastard
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Tooling costs weren't cheap either. 1.625" is not a standard size so all new tooling was needed.
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RarlyL8 Motorsports / M&K Exhaust - 911/930 Exhaust Systems, Turbos, TiAL, CIS Mods/Rebuilds '78 911SC Widebody, 930 engine, 915 Tranny, K27, SC Cams, RL8 Headers & GT3 Muffler. 350whp @ 0.75bar Brian B. (256)536-9977 Service@MKExhaust Brian@RarlyL8 |
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Canucks Fan
Join Date: Jan 2009
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Hey Brian
I'm into it but I have to get the muffler on first, back home in a week so look for my Big Grinn pic, is the heat ready when the pipes are, or is the heat going to come later, I'm looking for the headers and heat at the same time. Always late Scott |
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Crotchety Old Bastard
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We are working on the heat exchangers now. They will be bolt-on to retro fit in the field should someone decide after purchase that they want heat of if an exchanger is damaged it can be replaced. I'm from IL and Ben is from WI so we know the value of real heat. The aftermarket headers I have experienced have residual heat at best. Only SSI does a proper job with heat exchangers and that is because they copy the stock configuration.
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RarlyL8 Motorsports / M&K Exhaust - 911/930 Exhaust Systems, Turbos, TiAL, CIS Mods/Rebuilds '78 911SC Widebody, 930 engine, 915 Tranny, K27, SC Cams, RL8 Headers & GT3 Muffler. 350whp @ 0.75bar Brian B. (256)536-9977 Service@MKExhaust Brian@RarlyL8 |
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Join Date: Sep 2007
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Hey Brian- will you be building the 1-3/4 headers with flipped flanges for the 993 engines? (for those of us doing a 3.6 conversion)
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Ed '86 911 Coupe (endless 3.6 transplant finally done!) '14 Jeep Grand Cherokee 3.0 Turbodiesel (yes they make one) '97 BMW 528i (the sensible car, bought new) '12 Vintage/Millenium 23' v-nose enclosed trailer |
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Quote:
This "skimp on material" comment sounds too much like the commonly used and equally ambiguous, "you get what you pay for" statement. A choice of materials is based on functionality and cost effectiveness. And while mild steel is on the lower end of the exhaust material spectrum, it may work perfectly well for some applications (e.g. factory heat exchangers, club racing, etc.). However, Brian has identified the aftermarket segment he wants to serve and his cost/effective solution is based on that and other considerations. Personally, I think he's chosen wisely. If special needs dictate not "skimping" on material, ask Brian to skip the 321 and proceed directly to versions in titanium or inconel. Sherwood |
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Crotchety Old Bastard
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Points all well taken.
We had an order for Inconel and did all the research and setup. This is the only material that significantly raised the price of the end product; it was doubled. Inconel is 4x the price of 321 so that gives you an idea on production costs vs raw material costs. We have no Honda/ricer products so cannot parasitise raw materials or tooling from another huge line like the Asian manufacturers do. This product is designed to be low volume and high quality. That is what it must be to differentiate itself from the less expensive options. Great effort has been put forward to address all of the existing issues found in aftermarket headers. Customer service is also paramount in this niche market. You're paying for more than a set of pipes.
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RarlyL8 Motorsports / M&K Exhaust - 911/930 Exhaust Systems, Turbos, TiAL, CIS Mods/Rebuilds '78 911SC Widebody, 930 engine, 915 Tranny, K27, SC Cams, RL8 Headers & GT3 Muffler. 350whp @ 0.75bar Brian B. (256)536-9977 Service@MKExhaust Brian@RarlyL8 |
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Crotchety Old Bastard
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Yes we will build 1.75" headers with flipped flanges for 964/993 conversions.
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RarlyL8 Motorsports / M&K Exhaust - 911/930 Exhaust Systems, Turbos, TiAL, CIS Mods/Rebuilds '78 911SC Widebody, 930 engine, 915 Tranny, K27, SC Cams, RL8 Headers & GT3 Muffler. 350whp @ 0.75bar Brian B. (256)536-9977 Service@MKExhaust Brian@RarlyL8 |
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Crotchety Old Bastard
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Here is a picture of a header mounted and one with the secondary pipes welded onto the collector:
![]() ![]() ![]() It looks like a set of 1.75" headers may be going on this RSR engine: ![]() Here is a link to the thread started by Ben: new 911 header sneak peak
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RarlyL8 Motorsports / M&K Exhaust - 911/930 Exhaust Systems, Turbos, TiAL, CIS Mods/Rebuilds '78 911SC Widebody, 930 engine, 915 Tranny, K27, SC Cams, RL8 Headers & GT3 Muffler. 350whp @ 0.75bar Brian B. (256)536-9977 Service@MKExhaust Brian@RarlyL8 |
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Quote:
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Crotchety Old Bastard
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Yes Larry the 1.75" units will look the same as the 1.5" units pictured. They will mate up to a stock dual inlet muffler.
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RarlyL8 Motorsports / M&K Exhaust - 911/930 Exhaust Systems, Turbos, TiAL, CIS Mods/Rebuilds '78 911SC Widebody, 930 engine, 915 Tranny, K27, SC Cams, RL8 Headers & GT3 Muffler. 350whp @ 0.75bar Brian B. (256)536-9977 Service@MKExhaust Brian@RarlyL8 |
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I've been waiting for something like this to come around... glad I held off on the SSI's. I'm definitely interested in a set with heat exchangers!
Cheers!
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