The increase in power was made possible by the engine's improved volumetric efficiency through reduced intake load losses and by
exhaust backpressures, together with optimized electronic control.
The 5.0 - liter engine has direct injection which enables a high 12.3:1 compression ratio, and
exhaust backpressure has decreased since we first saw this powerplant.
In SPORT and SPORT + modes, the valve opens to reduce
exhaust backpressure and generates a dramatic aural response.
In detail, the engineers achieved this boost in performance by adaptation of the engine control unit and the use of a new exhaust system, with a diameter ahead of the exhaust tailpipes of 65 instead of 55 mm, thus reducing
the exhaust backpressure and increasing the performance.
A new, specially tuned dual exhaust system has been designed with equal length exhaust manifolds and low muffler
exhaust backpressure to help improve engine breathing.
The electrically - controlled flaps just before the rear silencer minimise
exhaust backpressure and produce a sound that is striking and unmistakable over the entire engine speed range, as well as giving precise feedback on engine load.
The new ES comes standard with dual exhaust, which reduces
exhaust backpressure at high rpm.
The development engineers successfully reduced
the exhaust backpressure in the exhaust tract.
Not exact matches
This sounds more efficient than closing the vanes as it would create less
backpressure in the
exhaust.
When you want to see how Teale's team did with the more dynamic tranny setup, turn the diamond - patterned metal dial into Sport mode, and the gears hold fast longer as its
exhaust gets its mean - mugging
backpressure baffle on — you can even hear it a bit through the Conti GT's double - glazed glass and sound insulation of its cocoon of a cabin.
Engine braking, not normally a diesel strong suit, was surprisingly good; the truck doesn't offer factory
exhaust brake, but the 3.0 - liter diesel's variable - nozzle turbo can create sufficient
backpressure to serve the same purpose, and it did a nice job keeping speed in check on downgrades.
The
exhaust system was redesigned for reduced
backpressure and a more aggressive soundtrack.
Engineers made the car's
exhaust as wide and as straight as possible, while working around other underbody components, to reduce
backpressure.
And second, the carbon deposits clog the pores in the ceramic catalyst and block
exhaust flow, increasing
backpressure and causing heat and
exhaust to back up into the engine compartment.
Flow is interrupted and
backpressure in the
exhaust system increases.
Peak power is now 490bhp (up 37bhp) while peak torque also increases to 372 lb ft, an increase of 14 lb ft.. These improvements have come from a new design of piston crown, improved mechanical efficiency thanks to a reed valve in the crankcase to evacuate oil and blow - by gasses, reduced
backpressure from a redesigned 4 - into - 1
exhaust manifold and a reprogrammed ECU that exploits advances in the anti-knock properties of the latest petrol formulas.
Backpressure is an alien term to the lightweight
exhaust and completing the package is a transmission that hammers its seven gears like a violent electro - mechanical robot.
The EXUP servo is responsible for closing a valve in your
exhaust to create a known amount of
backpressure in the
exhaust system to allow the engine to work in the way it was designed.
Reduced air flow increases engine
backpressure and can force heat and
exhaust gasses back into the engine compartment.
To make the V sound as fast as it goes, Cadillac is relying on
backpressure - reducing full - throttle flaps in both
exhaust pipes and some digital tuning from Bose.
The K&N intake improves airflow into your engine, while MagnaFlow's mandrel - bent tubing and wide - open muffler design dramatically improve
exhaust flow to virtually eliminate
backpressure and improve performance.
The intake kit includes a high - flow air filter and a secondary inlet duct to decrease air restriction, while the performance
exhaust is a high - flow system that reduces
backpressure for optimal engine breathing and performance.
HCD - 14 Genesis
exhaust is ceramic - lined and was tuned for minimal
backpressure, maximum high - rpm horsepower, and a deep baritone note, with cooling fins integrated into ultra-wide
exhaust tips.
The LT1 also uses a variable output oil pump that helps reduce the load on the engine, a plastic intake manifold with tuned runners, and cast aluminum
exhaust manifolds designed to act like headers to reduce
backpressure from
exhaust flow.
Its pleasing
exhaust note, meanwhile, is shaped by a specially designed
exhaust system that provides for efficient elimination of
exhaust gasses with minimal
backpressure.
Punch it and the throttle response quickens, while a second chamber opens in the
exhaust to reduce
backpressure while lowering the
exhaust bark an octave or two.
The
exhaust system has also been updated and has reduced
backpressure.
The pipes of the manifold and of the
exhaust system, which have been painstakingly optimized for low
backpressure, are hydroformed from stainless steel and are very lightweight.
Corsa
Exhausts are mandrel - bent for restriction - free flow, reducing
backpressure and upping gas mileage
A dual
exhaust system reduces
backpressure at higher engine speeds.
The larger - diameter
exhaust system is designed to reduce
backpressure and sound amazing, especially under acceleration.
A high - volume intake manifold and a high - flow, low -
backpressure exhaust system elevates the sporty demeanor and aggressive sound of the Civic Si.
Changes to the variable intake system include a throttle valve enlarged from 76 to 82 millimeters, optimized cylinder heads, and a low -
backpressure exhaust system.
The M sport
exhaust system is as large in diameter as possible, and routes as straight as possible to reduce
backpressure.
Designed for the Cruze RS Hatchback's standard 153 hp 1.4 L Turbo engine, the intake kit includes a high - flow air filter and a secondary inlet duct to decrease air restriction, while the performance
exhaust is a high - flow system said to reduce
backpressure for optimal engine breathing and performance.