Part Number: 31006-BF002

Description: HKS Hi Power Muffler Single Exit Exhaust

Fitment: 22+ Subaru WRX VB

Details:

Features:
Striking Presence
- Featuring an 85mm pipe and a bullet-style muffler with a single right-side exit, it delivers an overwhelming presence and a distinctly race-inspired look.
Volume Control For Every Driving Scene
- The inner silencer can be attached or removed to control both volume and tone. Keep it moderate for city driving, or remove it for a more aggressive, sporty sound for the track.
Adjustable Tail Tip
- The adjustable tail tip allows you to adjust how far the tail extends, letting you achieve your ideal, personalized style.

Specifications:
- Main Materials: SUH409 (Coated) / SUS304
- Tail Pipe Diameter: 119mm Single
- Main Pipe Diameter: 74.7mm > 85mm
- Exhaust Sound (Stock): 74dB (At idle: 56dB)
- Exhaust Sound (with Inner Silencer): 88dB (At idle: 68dB)
- Exhaust Sound (without Inner Silencer): 100dB (At idle?80dB)
- Minimum Ground Clearance: 128mm (At center pipe flange)
- Weight: 13.0kg (Stock: 21.7kg)
- Packaging Size: 1515x442x285
- Packaging Weight: 18kg

Performance
Enhanced High-RPM Power
- Output surpasses the stock exhaust in the high-rev range (5000-6000 rpm), delivering up to +11.7 kW. This added power gives the car noticeably stronger pull in the latter half of acceleration, letting you feel a clear improvement in top-end performance.
Stronger Mid-Range Torque
- Torque surpasses the stock exhaust in the mid-range (3000-4000 rpm), delivering up to +14.9 N/m. This improvement provides noticeably more punch and responsiveness, letting you enjoy more powerful acceleration than ever before.

Additional Features:
Enhanced Boxer Sound for an Amplified Heartbeat
- The iconic boxer engine sound is attractively amplified through HKS sound tuning.
Sporty Sound with Emphasized Highs
- Compare to the stock muffler, the accentuated high frequency deliver a pleasant, engaging tone.
Enjoy Sound Adapted to the Scene
- With the inner silencer installed, this exhaust delivers a subdued sporty tone. Removing it transforms the sound into a powerful, racing-inspired roar

Layout Comparison
Overwhelming Presence & High Power with Low Backpressure
- Compared to the stock 60mm pipes, this product used 85mm pipes, giving it an overwhelming presence. Additionally, the silencer features a straight-through design without any restrictions, achieving high output with low backpressure and completely transforming the driving experience.
Significant Weight Reduction
- Switching from a quad-exit to a single-exit and removing the mid-silencer results in a significant weight reduction, enhancing overall driving performance.
Adjustable Tail Tip
- The tail tip features a sliding adjustment mechanism, allowing you to customize the protrusion to your preference and enjoy a personalized look.