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Custom Headers - Custom made extractors in polished stainless steel
All custom made headers are at an hourly rate, we need your car/chassis and engine in our workshop. prices start from approx.
$4,600.00
Qty
Product Description
Custom Made Headers ~ All custom made headers are produced at our standard hourly workshop rate. Your car and engine needs to be supplied to our workshop.

This price here is indicative of a relatively straight forward custom pair of V8 headers in polished stainless steel as you see here in the photos.
 
Double click on any of the pics to see larger

We prefer to make the headers before the car is painted - we do not like hanging over show car painted panels trying to weld, grind and fit custom made headers. Quite frankly we can refuse some jobs becasue it is all too easy chip or scratch the paint with all the trial fits on and off after every weld to check for movement, especially in tight areas, so plan your build becasue we will not fix chipped paintwork or scratches.

The headers we custom make are primarily for street driven cars. So that means we are practicle how we produce them; for example.
  • We allow for good ground clearance
  • We pay attention to minimum clearances to the chassis and steering components
  • We pay attention to radiant heat produced by the pipes and their possible impact on nearby parts
  • In most cases we make them so you can get them out with the engine still in the car or allow them to be sat back a little so you can get the heads off, if any maintenance needs to be done.
  • We try to make them as free flowing as possible with longest pipes that are practicle for that application.
  • We make Try-Y and 4 into 1 style headers ~ however the best results for street driven cars is Try-Y they produce much better torque that you can feel and in the rpm range that street car engine works at.
  • And finally headers are all about shape, they have to look dam good so your mates go "wow they look great"

What we don't do is race headers or try to fit big bore headers into rediculously tight spots.

We use all our own stainless steel exhaust products and all joints are tig welded fused together. If filler rod is required then we use proper stainless steel filler rod so that no part of you headers can rust.  We can custom make header plates if needed to suit rare engines.

We employ some welding and joint techniques to keep the cost down for the budget consious and still provide an attractive polished set of headers.

Or we can do fully dressed but joins for show cars so it looks like there are no joins at all and all pipes polished to a high lusture. However for a show car set of pipes you could expect to pay a lot more becasue it just takes a bucket load of workshop time.

Myths and facts about stainless steel headers
  •  Myth ~ Stainless Steel headers crack - this one has been around a while and it is just not true. Usually the real question is what caused them to crack.  The cases we have seen and heard about is that they cracked at the head flange, stainless steel is not so easy to weld, it is a lot harder than mild steel to weld and welding a thick flange to a thin pipe is not fun so who is to say that was not so good in the first place. Also all metal will fatuige, stainless quicker than mild steel, so if your exhaust system does not have proper exhaust hangers to support the rest of the system then this could be the cause also.
  • Fact ~ Polished Stainless Steel do not peel like chrome headers and they do not go blue and black. However polished stainless steel headers retain most of their shine but they have an orange yellow tinge to them where they have the most heat. A fairly stock to mild engine is fairly easy on the header appearance, where as a stinking hot engine that produces lots of heat in the exhaust will dull off the stainless and for that matter any other performance coating also.
  • Myth ~ Stainless Steel headers cannot be ceramic coated for Example HPC - Our advice is yes it can be coated but more attention has to be payed in the sandblasting preparation with a fine grit.  Still if you are going to HPC coat them you may as well get us to make them in mild steel in the first place.
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Kustom Bitz news

'67 Toyota Crown Ute - another air ride bagged project

by kustombitz on 01 Apr 2021
The Toyota Crown ute is progressing along, the body is fitting the modified original chassis and this is how it will look when it's dropped ... I think it has the right stance ... The framing you can see is holding the upper body together as the floor and lower sections are rusted away and have been cut out, then to be completely refabbed by us.  The frame allows us to lift the body on and off as we please during this stage.

1940 Ford Coupe chassis BBC 454 L80E 9" and air ride

by kustombitz on 01 Apr 2021
Kustom Bitz just completed a 35-41 chassis, stepped up at the rear and a reversed centre X member allow this chassis to sit 40mm off the deck. It runs a Rod Tech IFS, big block chevy and L80E auto, a 9 inch diff with floating hubs, all on modified original rails. Kustom Bitz has developed our own boxing plates that suit the original rails near on perfectly. Original Ford rails are curved from front to back there are no straight sections, so to get something that fits right we had to jig the chassis up and map them out.  This is what we do, when it just needs to be done right to make it a well engineered car.  This allowed us to make a nice transistion for a high step at the rear. We have designed in 6 inches of travel at the back, so this car can have a normal, almost stock ride height then dumped to the max when parked.

LS Engine swap and custom air bag IFS

by kustombitz on 19 Feb 2020
'67 Toyota Crown ute chassis build is going well. Got the LS engine and 6 speed manual box in place and we can use all the orginal serpentine pulleys, brackets etc. The narrow wheel track on the Toyota called for a tailored solution when it came to the front end.  These old Toyotas dont have service parts available any more so the front end had to be changed, so that made a brake upgrade alot easier too. We run R6 air bags from Air Ride sitting at a ride height of 6" for the air bag so got plenty of air volume in them for a good ride quality and a full length travel shock absorber so we get proper rebound tuning, along with a power steering rack.  So at the sill [belly of the car] we get a 5" ride hieght with a 4 inch drop, this thing will look great.

Double shear brackets - rear coil overs Hot Rod Chassis

by kustombitz on 30 May 2019
Recently in Victoria some engineers have called for the upper and lower mounts for the rear coil over shockers to be a double shear bracket.  The thoery is that the bolt has too much twisting force on it and it will break. Well thats why on Hot Rods we use a 5/8" grade 8 bolt in a single shear bracket application to over engineer it so it does not break. A typical OEM application uses a 1/2" bolt in a double shear bracket. However to please the engineer we have thought out a simple plate kit that can be welded in on the upper mounts as you see here to satisfy their requirements and should fit into most applications without too much effort or rework.  We have a lower mount bracket nutted out as well.

Diff bump stops custom made

by kustombitz on 08 Mar 2019
So many hot rod shops don't install proper bump stops.  In this instance we had to rebuild the shocker mounts on the diff as the rear end was bottoming out on the shocker travel becasue it had no properly designed bump stops in place. So the shock absorber mounting bracket was absorbing every bump when the suspension bottomed out, easy to see why both mounts broke. While we were repairing the diff I made a simple yet effective progressive bump stop that is held in place via the U bolts that hold the diff to the leaf springs. It turned out a very successful set up. This is yet another example how Kustom Bitz can sort out problems on your custom car or hot rod, its what we do.

Torana A9X custom made rear pan hard bar 9" Diff

by kustombitz on 08 Mar 2019
Back in the day Group C racing one of the tricks to get the Holden Torana to handle nice and be more predictable in corners was to fit a rear pan hard bar to give much better diff locating than the OEM triangulated 4 bars offered.  However the body, subframe and floor pan at the rear is no where near strong enoungh to concentrate the loads of pan hard bar in any one spot, so it has to be carefully planned and constructed, especially so in a street car like this that we cannot put a full roll cage in. You see in a race car I can place the roll cage in a position to pick up such loads placed on the pan hard bar brackets, but in this situaton we couldn't. The picture above is with the unit installed, keep in mind the car was just a shell so no weight was in it and the rear is sitting high. Once the full wieght of the car is on, it will sit fairly level.  It retains the original triangulated 4 bars however we run PU bushes in the bottom arms and ordinary rubber in the top arms. So the lower arms and pan hard bar do the locating and the top arms have some give so they don't bind with the pan hard bar.

Hot Rod 38 Plymouth custom panel fabrication

by kustombitz on 04 Dec 2018
We have put a lot of time and effort into this 38 Plymouth.  The whole rear lower panel and floor right through to under the seat has been completely hand fabricated and replaced.  The front and rear mud guards have been widened and the shape reworked for cleaner lines, the guard edge now follows the wheel's shape and shall feature a straight edge running board.to clean up those ugly Plymouth bits but still retain some typically Plymouth features like the swage lines. We have basically just fattened it up and made it more curvey.

Our first wheels up Launch in Vintage Gas drag racing

by kustombitz on 27 Aug 2018
First pass for the day in Q1 in Vintage Gas [V/Gas] and we did our first wheels up launch in "Angas" and later in the day ran our best time so far with this combo with an 8.80s for the 1/8th mile track with an ET of 79mph.  The venue was Sunset Dragway which is just outside Mildura in country VIC. It was a 20deg sunny spring day with little wind, an all but perfect day for this time of year.  Great facilities at this venue for grass roots racers like us and they really looked after all of us racers, so its well worth the trip we had a blast. As far as our little 105e Anglia Gasser goes there is still heaps in it yet when a few tech issues get sorted out, but totally stoked at the moment. woo whooo .....

Custom made fuel tanks

by kustombitz on 14 Aug 2018
Kustom Bitz has made a number of fuel tanks in mild steel and then we line them with KBS Coatings fuel tank liner which seals the inside off from rusting.  The beauty of mild steel is we can design it in such a way that it does not need strapps becasue it doesn't fatigue in a way like alloy or stainless steel with similar brackets.  It does not have to be perfectly square either, most of the tanks we have made are odd shapes to maximise the available space to gain maximum fuel capacity. The other advantage of mild steel is that in an accident it is less likely to split, even along the welds becuse we hand make them from cold rolled steel which will deform long before it splits and cracks. A custom tank is time consuming to do so if you can fit a cheap mass produced tank in your car then go for it, however if a technical outcome is what you are after then we can assist.

Swan Hill Dragway in country VIC

by kustombitz on 01 Jun 2018
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