Introducing the Silent Hi-Power Series 304 SS Cat-Back Exhaust System with Single Rear Exit by HKS®. Designed for those seeking a perfect balance of performance and refined sound, this cat-back exhaust system is a true standout. Constructed from premium 304 SS stainless steel, the system ensures exceptional durability and a brilliant luster that lasts. The 3.74" main tubing diameter optimizes exhaust gas flow, contributing to enhanced performance gains. The Silent Hi-Power mufflers, a hallmark of this system, deliver both high performance and a sporty appearance. What sets them apart is their ability to significantly reduce noise levels without compromising on power. This makes them an excellent choice for more mature automotive enthusiasts.

In specific Applications, HKS has introduced the innovative "Silent Chamber" technology, which effectively mitigates lower-frequency noise that can often intrude into the cabin during cruising. By minimizing exhaust gas flow disruption and featuring a closed-end design, the Silent Chamber ensures optimal performance is maintained while eliminating uncomfortable noise. Upgrade your vehicle's exhaust system to the Silent Hi-Power Series and experience the perfect harmony of power, refined sound, and lasting performance. Embrace the sporty appearance, reduced noise levels, and overall driving satisfaction that this exceptional exhaust system provides.

NOTES

• The material is SUS304 for improvement of appearance and durability
• Proven "Advantex* glass wool" (Continuous fiber glass wool)
• Hollow hook and pressed flange for some vehicles to reduce weight
• Redesigned the inner structure of the silencer to improve performance and appearance

SPECIFICATIONS

• Exhaust System Type: Cat-Back
• Exhaust Tubing Material: 304 SS
• Exit Location: Single Rear
• Main Tubing Diameter: 3.74"
• Exhaust System Sound: Moderate
• Tip Quantity: 1
• Tip Material: Stainless Steel
• Tip Outlet Diameter: 4.72"
• Tip Shape: Round
• Tip Style: HP(TYPE-H)
• Exhaust Series: silent Hi-Power
• Pieces: 2
• Sound Level Stock: 94 dB
• Sound Level HKS: 97 dB
• Idle Sound Level Stock: 69 dB
• Idle Sound Level HKS: 75 dB