Why Stainless Steel?
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Millions
of exhaust systems are replaced every year due to corrosion and poor performance.
Automotive exhaust gases are a mix of carbon monoxide, oxides of nitrogen,
unburned hydrocarbons and moisture. These gases condense and attack the
system internally. Elements such as corrosive salts, moisture and mud contribute
to exterior deterioration. These elements combined with equipment vibration,
high temperatures, emission control requirements, uneven road surfaces,
and varying traffic patterns make it easy to understand the need and demand
for a long-lasting exhaust system. BORLA systems are built to withstand
these destructive conditions -- we guarantee it for a Million Miles.
BORLA exhaust is built
of aircraft-quality T-304 stainless steel -- stainless inside and out,
not mild steel, not aluminum, not coated aluminum, not just wrapped with
stainless on the outside for show. Coating techniques, such as aluminizing,
can somewhat prolong the life of mild steel, but coatings suffer at the
weld points. And, comparing aluminized steel to T-304 stainless steel
is like comparing gold-plated metal to solid gold! T-304 stainless steel
has the highest chromium content, making it the most resistant to corrosion
and therefore the most desirable material for a long-lasting exhaust system.
Note: Only the flanges are not stainless. In our twenty-year experience,
we have found the 3/8"--1/2" flanges are so thick they will
never affect the performance or longevity of the system.
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