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Aftermarket exhaust parts can increase peak power by reducing the back pressure of the exhaust system. [ 12 ] [ 13 ] These parts sometimes can void factory warranties, however the European Union Block Exemption Regulations 1400/2002 prevents manufacturers from rejecting warranty claims if the aftermarket parts are of matching quality and ...
The automotive aftermarket is the secondary parts market of the automotive industry, concerned with the manufacturing, remanufacturing, distribution, retailing, and installation of all vehicle parts, chemicals, equipment, and accessories, after the sale of the automobile by the original equipment manufacturer (OEM) to the consumer.
A 4-2-1 exhaust system is a type of exhaust manifold for an engine with four cylinders per bank, such as an inline-four engine or a V8 engine. The layout of a 4-2-1 system is as follows: four pipes (primary) come off the cylinder head , and merge into two pipes (secondary), which in turn finally link up to form one collector pipe.
Regeneration is the process of burning off (oxidizing) the accumulated soot from the filter. This is done either passively (from the engine's exhaust heat in normal operation or by adding a catalyst to the filter) or actively introducing very high heat into the exhaust system. On-board active filter management can use a variety of strategies: [9]
On the intake, a competition airbox feeds 70-millimeter billet throttle bodies and a port-matched intake manifold. On the exhaust, a set of tuned-length stainless steel headers sent spent gases back to a 3.0-inch stainless exhaust system that retained the stock catalytic converters, but allowed them to be easily bypassed for track day performance.
Vintage engine testing equipment that can test ignition timing, ignition dwell, manifold vacuum and exhaust emissions. Engine tuning is the adjustment or modification of the internal combustion engine or Engine Control Unit (ECU) to yield optimal performance and increase the engine's power output, economy, or durability. These goals may be ...
Aftermarket Parts: These are replacement parts made by companies other than the original manufacturer. They can serve as cost-effective substitutes for OEM parts ...
[citation needed] A disadvantage of the SCR system, in addition to added upfront development cost (which can be offset by compliance and improved performance), [citation needed] is the need to refill the reductant, the periodicity of which varies with the miles driven, load factors, and the hours used.
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