Fits 2008-2009 Mitsubishi Lancer Evolution X.

The HKS Hi-Power Series catback exhaust is designed to optimize exhaust flow and reduce backpressure on the Evo X platform. This system utilizes a race-inspired dual-tip configuration, providing a balanced look while delivering the deep, resonant tone HKS is known for. Engineered with mandrel-bent piping and high-quality construction, this exhaust replaces the restrictive factory plumbing to improve engine efficiency and response.

• Performance-oriented catback exhaust system
• Dual-exit tip design for symmetrical rear styling
• Optimized piping diameters for forced induction efficiency
• Constructed for durability and corrosion resistance
• Direct-fit installation using factory-style mounting points
• Manufacturer Part Number: 31008-BM001

Fits select 2011-2014 Subaru WRX STI Sedan models.

The HKS Racing Muffler is engineered for the enthusiast seeking maximum exhaust flow and a significant reduction in backpressure. Designed specifically for the 2011-2014 Subaru WRX STI Sedan (USA Spec), this system replaces restrictive factory components with a high-flow, performance-oriented design. This muffler focuses on minimizing weight and maximizing exhaust gas velocity to improve turbo response and top-end power.

• Manufacturer Part Number: 31008-BF003
• Constructed from high-quality stainless steel for long-term durability and heat resistance
• Straight-through design reduces turbulence for optimized performance
• Specifically tuned to provide a deep, aggressive race-inspired exhaust note
• Designed for precise fitment on Sedan chassis configurations

Fits 2023-2024 Honda Civic Type R (FL5) with the K20C 2.0L turbocharged engine.

The HKS Hi-Power Muffler (MPN 31006-KH001) is engineered to reduce back pressure and enhance the exhaust note of the FL5 Civic Type R. Drawing inspiration from Japanese circuit racing, this system features a high-flow, straight-through design that allows the K20C engine to exhale more efficiently. Constructed from high-grade SUS304 stainless steel, it is built to withstand high heat and resist corrosion over time.

• Specifically tuned for the FL5 chassis and K20C turbocharged engine.
• High-quality SUS304 stainless steel construction with precision TIG welding.
• Straight-through shell design for optimized exhaust gas velocity and reduced restriction.
• Developed by HKS for a signature deep, sporty tone without excessive cabin drone.
• Direct-fit installation utilizing factory-style mounting points.
• Manufacturer Part Number: 31006-KH001

Designed for the Mazda RX-8, the HKS Hi-Power cat-back exhaust system is engineered to reduce backpressure and optimize exhaust gas velocity. This single-exit configuration features 75mm piping to provide a high-flow path for rotary engines, improving throttle response and delivering the signature deep, aggressive HKS exhaust note.

Constructed from high-grade SUS304 stainless steel for long-term durability and corrosion resistance, this system features a non-coated finish to showcase the quality of the metalwork. The system is finished with a burnt titanium tip (Ti-Tip), providing a high-performance aesthetic that complements the RX-8's styling.

• Manufacturer Part Number: 31006-BZ001
• Piping Diameter: 75mm
• Tip Style: Single Burnt Titanium (Ti-Tip)
• Material: SUS304 Stainless Steel (No Coating)
• System Type: Cat-back Exhaust
• Direct fit for Mazda RX-8

Fits 2017-2024 Honda Civic Si Sedan (FC).

The HKS Hi-Power Muffler Exhaust is engineered to optimize exhaust flow and reduce backpressure for the 1.5L turbocharged Honda Civic Si Sedan. Inspired by endurance racing, this performance system features a high-velocity, straight-through design that improves turbo response while delivering the signature deep, sporty HKS exhaust note without excessive drone during daily driving.

• Constructed from high-grade SUS304 stainless steel for long-term corrosion resistance and durability.
• Straight-through canister design minimizes restrictions to maximize power delivery across the RPM range.
• Precise fitment designed specifically for the FC sedan chassis using factory mounting locations.
• Finished with high-quality welds and a polished muffler canister for a premium aesthetic.
• Manufacturer Part Number: 31006-BH002

Fits Honda Civic Si Coupe (FC3) models.

The HKS Hi-Power Muffler is engineered to reduce backpressure and optimize exhaust gas velocity for improved engine response. Inspired by endurance racing designs, it features a high-flow, straight-through canister that provides a deep, sporty exhaust note while minimizing the restrictive baffling found in factory systems. This setup balances performance with daily drivability by managing sound levels without sacrificing power.

Constructed from high-quality SUS304 stainless steel, the system offers superior corrosion resistance and durability. The muffler is designed as a direct bolt-on replacement, utilizing factory hanger locations and mounting points for a precise, hassle-free installation process.

• Series: Hi-Power
• Material: SUS304 Stainless Steel
• Design: Straight-through race-inspired canister
• Mounting: Bolts to factory mounting points
• Manufacturer Part Number: 31006-BH001

Enhance the performance and acoustic profile of your Toyota MR2 (SW20) equipped with the 3S-GTE engine. The HKS Hi-Power 409 cat-back exhaust system is engineered to reduce backpressure and improve turbo spool-up by utilizing a high-flow, straight-through design. This system balances cost-efficiency and durability by utilizing SUH409 stainless steel for the piping and premium SUS304 stainless steel for the high-luster muffler and tip.

As part of the iconic Hi-Power series, this exhaust delivers the signature deep, aggressive tone HKS is known for while maintaining excellent ground clearance and fitment. The 31006-AT008 is designed as a direct-fit upgrade, mounting to factory locations for a precise installation that replaces the restrictive OE exhaust components.

• Manufacturer Part Number: 31006-AT008
• Series: Hi-Power 409
• Application: Toyota MR2 (SW20)
• Engine Code: 2.0L Turbo (3S-GTE)
• Construction: SUH409 Piping with SUS304 Stainless Steel Tip/Shell

Fits 1993-1998 Nissan Silvia S14 (SR20DET).

The HKS Hi-Power Exhaust system is engineered for drivers seeking increased power and a signature race-inspired exhaust note. Drawing from HKS's extensive background in Japanese endurance and drag racing, this system features a high-flow, straight-through design intended to reduce backpressure and improve turbo response on the SR20DET engine. The 31006-AN018 is designed to bolt onto the factory locations for a precise fit and reliable performance.

• Manufacturer Part Number: 31006-AN018
• Series: Hi-Power
• Application: 1993-1998 Nissan Silvia S14
• Engine: SR20DET (Turbocharged)
• Style: Race-inspired layout with polished tip and shell

Fits 1989-1998 Nissan Silvia (PS13) and 180SX (RPS13) models equipped with the SR20DET 2.0L Turbo engine.

The HKS Hi-Power 409 exhaust system is engineered for performance-driven enthusiasts who demand a high-flow, aggressive tone and proven JDM durability. This cat-back system utilizes a straight-through design to significantly reduce backpressure, improving turbo response and power delivery throughout the RPM range. The Hi-Power 409 series specifically balances value and performance by using SUS409 stainless steel for the main piping while retaining a polished SUS304 stainless steel muffler shell and tip for a premium appearance and excellent corrosion resistance.

• Manufacturer Part Number: 31006-AN017
• Construction: SUS409 stainless steel piping with SUS304 muffler and tip
• System Type: Cat-back exhaust
• Engine Compatibility: SR20DET (Turbo)
• Chassis Compatibility: PS13 and RPS13
• Features: High-flow shell design for improved exhaust gas velocity

Fits 1998-2001 Nissan Skyline ER34 2-door models equipped with the RB25DET engine.

The HKS Hi-Power 409 exhaust system is engineered to optimize exhaust flow and reduce backpressure, unlocking additional power and a deep, aggressive tone from the RB25DET. Inspired by endurance racing, this cat-back system features a straight-through muffler design and large-diameter piping to maximize turbo response and high-RPM efficiency. By utilizing a SUS304 stainless steel muffler shell paired with SUH409 aluminized steel piping, HKS provides a high-performance solution that balances durability with value.

• Manufacturer Part Number: 31006-AN015
• Series: Hi-Power 409
• Material: SUS304 stainless steel muffler shell / SUH409 aluminized steel piping
• Chassis Compatibility: ER34 (2-Door Coupe)
• Engine: RB25DET (2.5L Turbo I6)
• Design: High-flow straight-through racing configuration

This system replaces the restrictive factory exhaust components, utilizing factory mounting points for a direct-fit installation on the R34 chassis. It is the ideal choice for enthusiasts looking for the signature HKS sound and improved engine breathing without the higher cost of a full titanium or stainless system.

The HKS Hi-Power 409 cat-back exhaust system is engineered specifically for the Nissan Skyline GT-R BCNR33 chassis powered by the RB26DETT engine. This performance exhaust reduces backpressure to improve turbocharger response and power output while delivering a signature deep, aggressive tone. The 409 series combines cost-effective durability with high-flow performance, utilizing SUH409 for the main piping and SUS304 stainless steel for the muffler shell and tip.

• Fits Nissan Skyline GT-R BCNR33 (RB26DETT)
• High-flow straight-through design for reduced exhaust resistance
• Hybrid construction with SUH409 piping and SUS304 stainless steel muffler
• Large diameter piping optimized for the RB26DETT twin-turbo engine
• Includes necessary hardware for installation
• Manufacturer Part Number: 31006-AN013

Fits 1989-1994 Nissan Skyline GT-R (BNR32) equipped with the RB26DETT engine.

The HKS Hi-Power 409 cat-back exhaust system is designed for enthusiasts seeking a cost-effective performance upgrade without compromising on flow efficiency. This system features a straight-through muffler design to minimize backpressure, allowing the twin-turbocharged RB26DETT to breathe more freely and improve throttle response across the RPM range. By utilizing SUH409 stainless steel for the piping and a polished SUS304 muffler, HKS balances durability with the signature deep, aggressive tone the Hi-Power series is known for.

• Product Series: Hi-Power 409
• Exhaust Type: Cat-back system
• Piping Material: SUH409 stainless steel
• Muffler Material: SUS304 stainless steel
• Design: High-flow straight-through canister
• Installation: Bolts to factory mounting points
• Manufacturer Part Number: 31006-AN012

Fits 1996-2001 Mitsubishi Lancer Evolution IV, V, and VI (CN9A / CP9A) models equipped with the 4G63 turbocharged engine.

The HKS Hi-Power 409 exhaust system is engineered to provide a high-performance alternative to restrictive factory piping. This system utilizes a straight-through muffler design to reduce backpressure, allowing the 4G63 engine to breathe more efficiently and improve turbo response. As part of the HKS 409 series, this unit features SUH409 stainless steel for the main piping to balance cost and durability, while the muffler and tip are constructed from polished SUS304 stainless steel for a premium finish and superior corrosion resistance.

• Manufacturer Part Number: 31006-AM004
• Series: Hi-Power 409
• Piping Material: SUH409 Stainless Steel
• Muffler & Tip Material: SUS304 Stainless Steel
• Chassis Compatibility: CN9A (Evo IV), CP9A (Evo V/VI)
• Installation: Bolts to factory mounting points

Fits 2009-2010 Nissan GT-R (R35) models.

The HKS Transmission Oil Pan Upgrade is a vital cooling and reliability enhancement for the Nissan GT-R's GR6 dual-clutch transmission. Engineered to combat the extreme fluid temperatures common during track use or spirited driving, this upgraded pan replaces the factory unit with a more robust design to ensure consistent performance and protect internal gear components.

• High-quality cast aluminum construction for improved heat dissipation and case rigidity
• Integrated cooling fins increase surface area to lower transmission fluid temperatures
• Optimized design to improve fluid management within the GR6 gearbox
• Direct replacement for the factory transmission pan
• Manufacturer Part Number: 27001-AN001

Designed for high-performance Toyota 1.6L 4A-GE and supercharged 4A-GZE engines, the HKS Upgraded Timing Belt (113R) provides the structural integrity required for high-revving applications and modified builds. Factory belts are prone to stretching or tooth deformation under the extreme thermal loads and mechanical stress of spirited driving. This HKS belt utilizes high-tension cords and heat-resistant compounds to maintain precise valve timing and prevent catastrophic engine failure.

• Optimized for Toyota 4A-GE and 4A-GZE 16-valve engines.
• 113-tooth (113R) configuration for exact OE-replacement fitment.
• Enhanced tensile strength minimizes belt stretch across the RPM range.
• Constructed with specialized rubber compounds for superior resistance to oil, water, and heat.
• Finished in signature HKS purple for easy inspection and a performance look.
• Manufacturer Part Number: 24999-AT009

Engineered for high-performance Toyota 3S-GE and turbocharged 3S-GTE engines, the HKS Fine Tune Timing Belt (24999-AT006) is built to withstand the extreme thermal loads and high-RPM stresses of modified powerplants. This upgraded belt addresses the common issues of belt stretch and tooth shearing found in standard OE replacements during aggressive driving or track use.

• High-Strength Construction: Utilizes high-saturation H-NBR rubber for superior heat resistance and durability.
• Precise Valve Timing: Reinforced tensile cords minimize stretching, ensuring accurate ignition and cam timing across the entire powerband.
• Tooth Durability: Optimized teeth profile and material composition prevent deformation and cracking under heavy loads.
• Fitment: Specifically designed for Toyota 3S-G(T)E engines with the 177Y belt specification.
• MPN: 24999-AT006

Fits 1993-1998 Toyota Supra models. The HKS Fine Tune Timing Belt is designed to provide the increased durability and strength required for high-performance 2JZ builds. As engine heat and RPM levels rise, standard timing belts can stretch or degrade, leading to inconsistent cam timing and potential engine damage.

• Precision Engineering: Designed to maintain accurate valvetrain synchronization even under extreme thermal stress.
• High-Strength Construction: Built with specialized materials to resist stretching and tooth deformation during high-load operation.
• Direct Fit: Replaces the factory timing belt using original equipment tensioners and pulleys.
• Manufacturer Part Number: 24999-AT004

Whether you are performing a routine 60k-mile service or building a high-horsepower street or track car, this HKS belt offers the reliability needed for critical engine timing components.

Fits select JDM 1992-2004 Toyota JZX90, JZX100, and JZX110 (Chaser, Mark II, Cresta, and Verossa) equipped with the 1JZ-GTE engine.

The HKS Fine Tune Timing Belt is a critical upgrade for high-performance 1JZ-GTE builds where precise valve timing and durability are paramount. Engineered to surpass the limitations of standard rubber belts, this reinforced belt (MPN 24999-AT003) is designed to resist stretching even under the extreme thermal loads and high-RPM stress common in modified turbocharged engines. By maintaining consistent tension and gear mesh, it ensures your engine's timing remains accurate to prevent performance loss or catastrophic internal damage.

• High-Strength Construction: Utilizes advanced materials to provide superior resistance to heat, cold, and elongation.
• Precise Fitment: Designed specifically for the JDM 1JZ-GTE engine platform to match factory gear profiles exactly.
• Increased Durability: Engineered to withstand the sudden torque changes and high-load demands of performance driving.
• Part Number: 24999-AT003

Note: This is a special order item specifically for JDM-market vehicle applications.

Designed for the high-performance demands of the Nissan RB26 engine, the HKS Fine Tune Timing Belt Sport provides the essential durability and timing precision required for tuned applications. This belt is engineered to replace the factory component, offering superior resistance to heat, oil, and stretching, which are common failure points in high-RPM or high-horsepower builds.

• Fits Nissan RB26 engines.
• High-strength construction minimizes stretching for consistent valve timing across the RPM range.
• Increased heat resistance ensures longevity in demanding engine bay environments.
• Optimized tooth profile for precise engagement with camshaft and crankshaft pulleys.
• Manufacturer Part Number: 24999-AN002.

Fits Nissan engines including the RB20DET, RB25DET, and RB26DETT. This HKS Fine Tune Timing Belt is engineered to maintain precise valve timing even under the extreme thermal and mechanical stresses of high-performance driving.

Standard rubber belts can stretch or fail when subjected to the high RPMs and increased heat common in tuned RB-series engines. The HKS upgraded belt features optimized material composition to prevent stretching, ensuring that your cam timing remains accurate throughout the powerband. This is a critical upgrade for any builds involving aftermarket camshafts or increased boost levels where timing belt deflection can lead to power loss or catastrophic engine failure.

• High-strength construction prevents belt stretch and tooth jumping
• Increased heat resistance for improved longevity in cramped, high-heat engine bays
• Designed for consistent tension and precise cam synchronization
• Direct replacement for the factory Nissan timing belt
• Manufacturer Part Number: 24999-AN001

Protect your engine's internal components with the HKS Upgraded Balancer Belt (24999-AM002), designed specifically for the Mitsubishi 4G63 engine. On high-performance 4G63 builds, a failed balancer belt often snaps and becomes entangled in the main timing belt, leading to catastrophic valve-to-piston contact. This HKS upgrade provides the durability required for high-RPM and high-heat environments.

Engineered with high-tensile strength cords and specialized heat-resistant rubber compounds, this belt minimizes stretch and resists thermal degradation. It is a critical reliability upgrade for any Mitsubishi 4G63 owner performing a timing service or building a performance-oriented engine.

• Specifically engineered for Mitsubishi 4G63 engine applications
• Constructed with high-strength glass fiber and heat-resistant rubber for maximum durability
• Superior resistance to heat, oil, and atmospheric conditions compared to standard belts
• Minimizes belt stretch to maintain precise engine harmonics
• Manufacturer Part Number: 24999-AM002

The HKS Fine Tune Timing Belt (24999-AM001) is engineered to provide the high-strength performance required for high-RPM Mitsubishi 4G63 engines. This belt replaces the standard OE timing belt with a reinforced design that minimizes stretching and prevents tooth shear, ensuring consistent valve timing and synchronization under extreme thermal conditions.

• Manufacturer Part Number: 24999-AM001
• Reinforced Strength: Designed to resist stretching and thermal degradation in high-horsepower applications.
• Precise Tooth Profile: Engineered to match engine-specific gear dimensions for smooth engagement and reduced friction.
• Engine Fitment: Fits Mitsubishi 4G63 engines.

By upgrading to the HKS Fine Tune series, you reduce the risk of timing skips and belt failure, protecting your valvetrain during aggressive driving or track use.

Fits 2002-2008 Subaru Impreza WRX and 2004-2008 WRX STi equipped with EJ20 or EJ25 engines.

The HKS Fine Tune Timing Belt is engineered for high-performance Subaru EJ-series engines where precise valve timing and durability are critical. Standard OE belts are prone to stretching and thermal degradation under the increased heat and tension of modified builds; this HKS upgrade uses optimized materials to prevent belt stretch even during high-RPM operation and sudden torque fluctuations.

• High-strength tensile cords significantly reduce stretching for consistent cam timing
• Heat-resistant rubber compound designed to withstand increased engine bay temperatures
• Optimized tooth profile for precise engagement with cam gears and crank sprocket
• Direct fitment for EJ20 and EJ25 dual overhead cam (DOHC) configurations
• Manufacturer Part Number: 24999-AF001

The HKS Fine Tune V-Belt 6PK1149 is engineered for high-performance applications where standard accessory belts may fail. Designed to withstand extreme temperatures and the stress of high-revving engines, this belt provides reliable power transfer for critical engine components while offering superior resistance to heat, cracking, and stretching.

• Manufacturer Part Number: 24996-AK051
• Belt Specification: 6PK1149 (6 Ribs, 1149mm length)
• Series: Fine Tune V-Belt
• High-durability construction optimized for performance driving
• Increased resistance to heat-induced wear and deformation
• Precision fitment for reliable operation of alternators, power steering, or AC compressors

The HKS Fine Tune V-Belt (6PK1710) is a high-performance serpentine belt designed for enthusiasts who demand more reliability than a standard OE rubber belt can provide. Engineered with a specialized EPDM rubber compound, this belt is built to withstand the extreme heat and stress of high-RPM operation and modified engine bays, significantly reducing the risk of stretching or slippage.

• Manufacturer Part Number: 24996-AK046
• Belt Specification: 6PK1710 (6 ribs, 1710mm length)
• Material: High-durability EPDM (Ethylene Propylene Diene Monomer) rubber
• Performance: Superior heat resistance and cold-weather durability compared to standard belts
• Reliability: Minimized stretch under load for consistent accessory drive performance

The HKS Fine Tune V-Belt 7PK1070 is a high-performance accessory drive belt engineered for modified engines and high-RPM applications. Unlike standard rubber belts, HKS Fine Tune belts are constructed from high-grade EPDM rubber, providing superior resistance to heat, cracking, and stretching under extreme engine bay temperatures.

This 7-rib belt is designed to maintain consistent tension and minimize slip, ensuring reliable operation of your alternator, power steering, or AC compressor even during spirited driving. The reinforced core provides the structural integrity needed to handle the increased loads and torque fluctuations found in tuned performance vehicles.

• Manufacturer Part Number: 24996-AK038
• Belt Type: 7PK (7 Ribs)
• Length: 1070mm
• Material: Heat-resistant EPDM rubber construction
• Performance: Reduced weight and increased durability over OE-style belts

Maintain optimal accessory drive performance under demanding conditions with the HKS Fine Tune V-Belt 7PK2109. This high-performance drive belt is engineered to replace factory belts in high-RPM or high-heat environments where standard rubber compounds often fail. Designed with advanced materials, it offers superior resistance to stretching, heat-induced cracking, and wear, ensuring your alternator, power steering, and air conditioning systems remain properly driven.

• Enhanced Durability: Specialized construction resists the extreme thermal cycles of modified engine bays.
• Optimized Grip: The 7-rib design (7PK) is precision-cut to minimize slippage and power loss during rapid acceleration and deceleration.
• Reliable Tension: Engineered to resist stretching, maintaining consistent tension and reducing the need for frequent adjustments.

• Manufacturer: HKS
• Product Line: Fine Tune V-Belt
• Belt Specification: 7PK2109
• Rib Count: 7
• Length: 2109mm
• Part Number: 24996-AK031

The HKS Fine Tune V-Belt 6PK2075 is engineered to handle the extreme thermal and mechanical stresses of high-performance engines. Standard OEM belts are often prone to stretching or slipping under rapid RPM changes; this HKS belt utilizes a high-tensile material designed to maintain consistent tension and grip, ensuring reliable operation of your alternator, water pump, and air conditioning compressor.

• Manufacturer Part Number: 24996-AK030
• Belt Specification: 6PK2075 (6 ribs, 2075mm length)
• Material: Advanced rubber compound optimized for superior heat resistance and durability in high-performance environments.
• Stability: Reduced thermal expansion and high-tensile strength minimize belt stretch and prevent slipping at high RPM.
• Aesthetics: Distinctive HKS blue finish for a premium look in the engine bay.

The HKS Fine Tune V-Belt 5PK935 is a high-performance accessory drive belt engineered to withstand the rigors of high-revving engines and extreme engine bay temperatures. Constructed from advanced EPDM (Ethylene Propylene Diene Monomer) rubber, this belt offers superior durability and resistance to cracking, heat, and ozone compared to standard automotive belts.

By utilizing a lightweight and high-grip material, the Fine Tune series minimizes power loss and prevents belt slip at high RPM, ensuring consistent operation of your alternator, power steering, or air conditioning systems. The 5-rib design and 935mm length provide a precise fit for specific performance applications requiring these dimensions.

• Manufacturer Part Number: 24996-AK014
• Belt Specification: 5PK935 (5 Ribs / 935mm)
• Material: Heat-resistant EPDM rubber construction
• Finish: Characteristic HKS Blue signature color
• Optimized for high-performance and high-RPM engine stability

Engineered for high-performance and high-RPM applications, the HKS Fine Tune V-Belt (5PK885) provides superior durability compared to standard rubber belts. Constructed from high-grade EPDM rubber, this belt offers excellent resistance to extreme temperatures and cracking, ensuring reliable power delivery to your engine's accessories even under demanding driving conditions.

The HKS Fine Tune series is designed to maintain consistent tension and reduce slip, making it a critical upgrade for tuned vehicles where increased engine heat and high rotational speeds are common.

• Brand: HKS
• Series: Fine Tune V-Belt
• Belt Profile: 5PK (5 Ribs)
• Length: 885mm
• Material: High-grade EPDM Rubber
• Manufacturer Part Number: 24996-AK013