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3.6 Exhaust System
3.6.1 Extensions and Optional
Exhausts
CAUTIONS:
Non-standard systems must be tested for
engine back pressure and all legal
compliance (noise and emissions).
Exhaust Pipe Design Principles
Item
d
diameter
r
radius = 2.5d
3.6.2 Exhaust Pipes and Supports
CAUTIONS:
Maintain the original set-up and heat
shields.
Do not position any components closer
than 150mm nominal (100mm minimum)
clearance to the downpipe, the catalytic
converter, the diesel particulate filter and
any part of the exhaust system.
Date of Publication: 04/2012
52
Make sure that for any pipes that require
bending, the radius of the bend is
minimum 2.5 x tube diameter.
Make sure that sufficient clearance is
maintained for all driving conditions to
all hot and moving components.
NOTE: Where possible all pipe connections should
be designed so that the gas flows from smaller to
larger diameter pipes.
Description
3.6.3 Exhaust Heat Shields
Exhaust Heat Shields
• Catalytic converters, in particular, operate at
high temperatures.
• Ensure existing shields are maintained.
• Add further shields over exhaust system as
necessary to avoid fire risk.
FORD TRANSIT CUSTOM 2012.75
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