Best Mufflers Carlton 02 95473511
LJ Torana-355 Custom Exhaust Headers & Twin Exhaust System

Custom Exhaust Headers & Exhaust Systems
Since 1983

Project: Holden Torana
LJ 355 EFI Heads
approx 500hp

  • Custom Made 4-1 Tuned Length Headers
  • Ceramic Coated
  • 1 3/4" Primary Pipes
  • 3" Slip on Collectors
  • Twin 3" Stainless Steel Exhaust System
  • Magnaflow Mufflers
  • All Tig Welded
LJ Torana-355 Custom Headers & Twin Exhaust System
Image 2
Looking into the right hand side of the engine bay [drivers side] room is limited
LJ Torana-355 Custom Headers & Twin Exhaust System
Image 3
When making custom headers i always ensure there is easy access to spark plugs, and enough room the spark plug leads, the dipstick also needs to clear the new headers
LJ Torana-355 Custom Headers & Twin Exhaust System
Image-4
There is less room on the left side [passenger side]
LJ Torana-355 Custom Headers & Twin Exhaust System

Image 5
Again i always ensure there is enough room access to spark plugs, and enough clearance for the spark plug leads


LJ Torana-355 Custom Headers & Twin Exhaust System
Enough clearance from the auto linkage is required
LJ Torana-355 Custom Headers & Twin Exhaust System
Image 7
The pipes running on either side of the radius arms need to clear the tyres [when turning] and also the lower control arms
LJ Torana-355 Custom Headers & Twin Exhaust System

Under Construction 8

LJ Torana-355 Custom Headers & Twin Exhaust System
Image 9
Both left & right collectors will be removable, they need to be slip on so the pipes can be removed from the car. Slip on collectors and the pipes leading into them need have exact tollerances so they dont leak and still be removable
LJ Torana-355 Custom Headers & Twin Exhaust System
Image 10
The x-pipe is made from 304 stainless steel, the machining required is done in store to ensure the corrrect merge length and correct width.
LJ Torana-355 Custom Headers & Twin Exhaust System
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When building these high performance exhaust systems we normally use Magnaflow mufflers as the're free flowing design. well constructed, durable and sound great.
LJ Torana-355 Custom Headers & Twin Exhaust System
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The rear of the front mufflers are flanged joined for easy removal and installation. In under 10 minutes the rear mufflers can be removed for race use.
LJ Torana-355 Custom Headers & Twin Exhaust System
Image 13
If this was my car i would would have fitted dump tips but the customer liked the shotgun look.
LJ Torana-355 Custom Headers & Twin Exhaust System
Image 14
Even with the 4 Magnaflow mufflers this exhaust wont pass Nsw noise emission testing, it's around 102db @ 3300 rpm.
LJ Torana-355 Custom Headers & Twin Exhaust System
All parts used to build this exhaust system are available in our Online Exhaust Shop.

 

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