the 60's there was an idea for the Cobra Jet. A Mustang re-designed
from a performance stand point with parts available from the Ford
Catalog. It was then that Ford took notice of the drag race afermarket
and started producing production race cars knows as the Cobra Jet. In
2008 just a few years after the release of the S197 Mustang Ford
stepped up once again with the Production Cobra Jet Mustang.
have been several variations of the Cobra Jet since 2008. Most every
example was supercharged but in 2013 Ford released the Naturally
Aspirated Cobra Jet Mustang. The Naturally Aspirated Cobra Jet inspired
us to develop a package using Cobra Jet spec parts for that individual
who was looking for over 500 HP Naturally Aspirated horsepower and
loved the Cobra Jet History. The goal was a fast naturally aspirated
car that retains as much Cobra Jet heritage as possible yet remains a
would like to introduce the Brenspeed CJ519 package. The Brenspeed
CJ519 package is designed for 2011 to 2014 manual and automatic
transmission mustangs. Our CJ519 package has extensive development on
the street and at the track and provides a drastic improvement in power
over a factory stock 5.0L Mustang.
Performance Cobra Jet Intake Manifold. Made from light weight composite
material this manifold is tuned for high RPM power.
Performance Cobra Jet Throttle Body. Made from CNC machined aluminum
this twin 65mm throttle body has a tapered inlet for consistent high
Performance designed Cold Air Intake based of the Cobra Jet race car.
The design takes into consideration street car use so this includes a
molded heat shield.
Jet spec 1 7/8" stainless steel long tube headers. Our CJ519 headers
are the same spec as found on the Cobra Jet and built in the same
facility as Cobra Jet headers. The major difference is Cobra Jet
Mustangs have a 3.5" dump at the header collector. This is not feasible
for a street car. Our CJ519 spec headers collect at 3" and are fitted
to a catalytic or off road H or X pipe.
Brenspeed CJ Engine Calibration. Our CJ519 package includes a Brenspeed
CJ inspired engine calibration. Many aspects of the CJ will be found in
our drag strip only calibration. Our street calibration is tamed down
for street use. The package includes both the street and drag strip
degree thermostat for high performance engines, providing high flow to
your radiator by mid-180 temps while still providing good all season
included is a Custom Brenspeed CJ519 Graphics Package available in 4
different finishes. Gloss Black, Matte Black, Silver, and
White. Exclusive to CJ519 owners only!
2013-14 GT /
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Keep Your Air Filter Dry
Constructed from a thick foam rubber, this Roush Insert Plug installs
into the underside hood insulator to block rain water from entering
your aftermarket cold air intake or open element air filter.
Heat Extractor Compatible
The Roush insert plug is designed to only block off the lower portion
of the vent opening so it still allows underhood engine heat to escape
through the factory hood extractors.
This Roush Performance Hood Vent Insert Plug is specifically designed
to fit 2013-2014 GT or BOSS Mustangs with the stock factory heat
extractor hood installed.