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HKS Knock Amplifier & Wideband AF sensor - 44999-AK022

HKS Knock Amplifier & Wideband AF Sensor

HKS A/F Knock Monitor - 44999-AK022

The HKS A/F knock monitor is an extremely valuable addition to any vehicle that has undergone extensive modifications. Indeed, for those which are likely to use the HKS F-Con Pro ECU, its use is virtually essential. The unit consists of a visual head unit which shows both knock and air/fuel ratio data. A remote mounted separate signal amplifier is used to help keep the size of the head unit as compact as possible. The amp can be mounted anywhere in the vehicle out of sight.

The knock (detonation) side of the unit picks up from the original sensor/s mounted to the vehicle. The sensitivity of original equipment sensors can vary from car to car and thus it is the tuner's decision to decide whether they are accurate enough for the purpose of monitoring or not. The air/fuel ratio side requires the use of an extremely sensitive wide-band Lambda sensor. HKS recommends the Japanese NTK sensor as it is one of the most accurate available. Unfortunately, these sensors are very expensive, but at the moment we have not come across an equivalent alternative, and as air/fuel ratio monitoring is taken very seriously, we have no option but to continue with the NTK setup.

The unit is extremely useful when used in conjunction with any F-Con Pro setup as not only is the factory knock detection system rendered inoperable, but the F-Con Pro can also use the air/fuel ratio data supplied by the HKS knock monitor to self-learn and therefore map the fuel curve. This can save huge amounts of expensive mapping time and will go some way to offsetting the cost of the knock monitor and wide-band NTK sensor.

Features:
  • A/F Knock Amplifier
  • Use with HKS F-CON Pro ECUs
  • Wideband Lambda-Style Sensor
  • High Quality Wiring
Fitment:
  • Universal
Notes:
  • Pictures for marketing purposes only, actual product may vary

HKS and 44999-AK022 Availability

Vivid Racing is a large dealer for HKS and keeps a wide array of products in stock, including the essential HKS A/F Knock Monitor (44999-AK022). This ensures that you can enhance your vehicle's performance with the best monitoring solutions available.

Other Part Numbers:
HKS #hks44999-AK022

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Since its beginning, HKS has been committed to providing well-integrated, reliable,and environmentally sound performance systems. Mr. Hasegawa's strong leadership, engineering genius, creativity and willingness to listen to customers are the pillars of the company's success. Monitoring consumer reaction and input on issues pertaining to material quality, external appearance, sound quality, and of course, performance, HKS stays in tune with automotive enthusiasts' needs. Moreover, HKS' products are designed to be user friendly for easy installation.

Warranty for Exhaust System

HKS provides a warranty to the original purchaser of HKS exhaust systems against defects in materials and workmanship for a period of one year. The warranty applies only for vehicle specific exhaust systems. Other products such as metal catalyzers, front pipes, exhaust manifolds, and center pipes are not covered.

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