Sentences with phrase «lower backpressure»

During normal driving conditions, these extra valves will be closed, but they'll open during harder acceleration, creating lower backpressure, more engine power, and that beautiful Corvette signature sound.

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.

To ensure optimum flow and low backpressure, a hydroformed two - into - one collector connects the close - coupled catalytic converters to the main 350 - cell under - floor catalytic converter.

Not exact matches

During cruising or other stable, low - load driving conditions, the new engine utilizes a dedicated set of cams to close one of the intake valves and retard that valve's timing, exerting backpressure on the air - fuel mixture.

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.

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.

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.