Products
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HKS Authentic Magnetic Oil Filter - M20-P1.5 Thread - 68mm x H65 - Universal
$30.00
HKS Oil Filters are designed to deliver maximum filtration while greatly improving oil pressure drop and flow properties compared to standard replacement filters, essential during track use or spirited driving. Each oil filter is loaded...
HKS Authentic Red Oil Fillter Cap - GT86 / BRZ / FR-S
$95.00
"Billet Oil Filler Cap" for engine compartment dress-up in a simple way. This HKS Billet Oil Filler Cap is made of aluminum alloy (Duralumin) with red Alumite treatment. It accentuates the engine compartment.
HKS Authentic Red Oil Fillter Cap - Nissan / Honda - M32xP3.5
$95.00
"Billet Oil Filler Cap" for engine compartment dress-up in a simple way. This HKS Billet Oil Filler Cap is made of aluminum alloy (Duralumin) with red Alumite treatment. It accentuates the engine compartment.
Thread: M32xP3.5
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HKS Carbon Ti Bolt-On Cat-Back Single Exit Exhaust System - Mitsubishi Lancer EVO 8 9 (2003-2006)
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$935.00
$1,100.00
This carbon titanium exhaust is designed and manufactured by HKS, created specifically for the Mitsubishi Evo 9. This product gives an aggressive appearance to the car, but also gives it a sporty, race-ready sound on...
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HKS Carbon Ti Exhaust System - Toyota Supra MK4 3.0L 2JZGTE (1993-1998)
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$807.50
$950.00
3112-EX006 - HKS Carbon Ti Exhaust System - Toyota Supra MK4 3.0L 2JZGTE (1993-1998) Carbon-Ti Series™ 304 SS Axle-Back Exhaust System with Single Rear Exit by HKS®. Exhaust System Type: Axle-Back. Exhaust Tubing Material: 304...
HKS Carpet Trunk Luggage Mat - Toyota GR86 / Subaru BRZ (2022+)
$140.00
51007-AK473 - HKS Carpet Trunk Luggage Mat - Toyota GR86 / Subaru BRZ (2022+) The lining is a felt packing method that combines a weight reduction of 15 to 20% compared to rubber spikes and...
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HKS Dampening Suspension Error Canceler Type H Kit - Honda Civic FK8 Type R (2017-2021)
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$475.00
$500.00
SEC Type H is a device to cancel the error from the stock variable damper system shown in the meter. This device is practical to erase an error detected when a stock damper is replaced...
HKS Dry Super Air Filter Type 31 - Toyota A90 A91 GR Supra 3.0L (2020+)
$58.00
The HKS Super Air Filter is a stock replacement type air filter utilizing newly developed dry non-woven fabric filter. High dust collection capacity and low resistance are implemented together at a high level. The density...
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HKS Dual Exit Hi-Power Exhaust System w/ Polished Tips - Honda S2000 AP1 AP2 (1999-2009)
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$935.00
$1,100.00
HKS Hi-Power catback exhaust is known for its incredible tone and flow. The S2000 exhaust features 2.36in piping and 3.7in dual mufflers. If you have ever heard the HKS Hi-Power in person, you know its gonna...
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HKS Dual Hi-Power Exhaust System w/ Titanium Tips - Nissan Z34 370Z (2009-2021)
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$1,785.00
$2,100.00
Circuit Spec R proudly carries performance upgrades by one of the biggest names in the industry, HKS. Since 1973, HKS has been a leading innovator in turbocharger technology, and many of their products have been utilized...
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HKS Height Adjustable Coilovers Kit - Toyota Supra A90 GR MK5 (2020+)
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$900.00
$1,000.00
Recently, a lot of high performance cars feature electronic control of damping force adjustment. HKS assumed it would be best to keep the stock electronic control system but add an additional flexibility thatoffers a height adjustable spring....
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HKS Height Adjustable Lowering Spring Kit - Toyota GR Supra A90 A91 (2020+)
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$900.00
$1,000.00
Recently, a lot of high-performance cars feature electronic control of damping force adjustment. HKS assumed it would be best to keep the stock electronic control system but add additional flexibility through a height-adjustable spring. HKS...
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HKS Hi Power Bolt-On Catback Dual Exit Exhaust - Mitsubishi Lancer EVO X (2008-2015)
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$714.00
$840.00
HKS Hi-Power Dual Exhaust System – Mitsubishi Evo X Boosting the horsepower and torque of your Mitsubishi Evo X with a performance exhaust system comes with perks you can hear. The HKS Hi-Power Dual Exhaust...
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HKS Hi Power Exhaust System w/ Silencer - Acura RSX Base Model Only (2002-2004)
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$595.00
$700.00
Hi-Power Series™ 304 SS Cat-Back Exhaust System with Single Rear Exit by HKS®. With Silencer. Exhaust System Type: Cat-Back. Exhaust Tubing Material: 304 SS. Main Tubing Diameter: 2.36". Exhaust System Sound: Aggressive / Loud. Professionally...
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HKS Hi Power Exhaust System w/ Silencer - Acura RSX Type S Only (2002-2006)
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$595.00
$700.00
Hi-Power Series™ 304 SS Cat-Back Exhaust System with Single Rear Exit by HKS®. With Silencer. Exhaust System Type: Cat-Back. Exhaust Tubing Material: 304 SS. Main Tubing Diameter: 2.36". Exhaust System Sound: Aggressive / Loud. Professionally...
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HKS Hi Power Titanium Cat Back Exhaust System - Toyota Supra MKIV Turbo 2JZ-GTE (1993-1998)
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$1,334.50
$1,570.00
3108-RT001 - HKS Hi Power Titanium Cat Back Exhaust System - Toyota Supra MKIV Turbo 2JZ-GTE (1993-1998) Designed for the Supra Twin Turbo with 800-1000 horsepower range, this premium quality muffler greatly improves exhaust flow...
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HKS Hi-Power Carbon-Ti Axle Back Exhaust System - Lexus Altezza IS300 (2001-2005)
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$680.00
$800.00
Inspired and designed from endurance and GT racing in Japan, HKS developed its Hi-Power Exhaust system for both turbocharged and naturally aspirated applications. HKS has incorporated this new race inspired offset muffler and piping design...
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HKS Hi-Power Exhaust System - Nissan 240sx S13 KA24DE (1989-1994)
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$637.50
$750.00
The HKS Hi Power exhaust is a Japanese classic. Straight from the JDM market, comes one of the most known and respected exhaust systems. The HKS Hi Power exhaust has been used on both classic...
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HKS Hi-Power Exhaust System - Nissan Silvia 180sx 240sx S13 w/ SR20DET (1989-1994)
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$527.00
$620.00
Inspired and designed from endurance and GT racing in Japan, HKS developed its Hi-Power Exhaust system for both turbocharged and naturally aspirated applications. HKS has incorporated this new race inspired offset muffler and piping design into many street applications, which offers...
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HKS Hi-Power Stainless Steel Catback Exhaust System - Titanium Tip - Infiniti G37 Coupe RWD
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$1,700.00
$2,000.00
The HKS Hi Power exhaust is a Japanese classic. Straight from the JDM market, comes one of the most known and respected exhaust systems. The HKS Hi Power exhaust has been used on both classic...
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HKS High-Power SPEC-L Exhaust System - Scion FR-S / Subaru BRZ / Toyota 86
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$1,105.00
$1,300.00
Exhaust systems are a great way to enhance the looks, sounds, and performance of your vehicle. Replacing the OEM catback on your car is one of the first modifications we recommend to any new car...