best mufflers and exhaust systems
69 planthurst road carlton sydney nsw
the muffler and exhaust system specialists
HIGH PERFORMANCE & CUSTOM
EXHAUST SYSTEM SPECIALISTS
SUBARU IMPREZA
custom exhaust system specialists

Subaru Impreza
RS 2.5ltr Manual 2002 to 2005
After many inquires on an exhaust system upgrade
for the Subaru Impressa we decided to see what improvement if any could be achieved by changing
the factory exhaust system

 

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for more information

The new xforce headers
4-1 style

extractors 4-1 style

4-1 headers available now
try/ design available soon

contact us
for more information

The pipe work between the extractors and the
hi flow catalytic converter is 2 1/4",

extractors 4-1 style

from the cat back we continued with 2 1/4" free flowing exhaust system using a xfore resonater and
also the xforce large body MP01 rear muffler

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for more information

dyno results

 

The new exhaust system gave a good power along with a good torque increase, with some tuning there
is still plenty more to be gained

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for more information

DYNO RESULTS
Original system 86.2kw @wheels
Headers & 2 1/4" 93.5 kw @ wheels

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Last Update Sunday, 10 September, 2006 .
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