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Air and Fuel› Air Cleaners, Filters, Intakes and Components
HPS Silicone
Silicone Air Intake Hose Kit
SKU: 87-68426
Beginner — under 30 min
Overview
This kit is engineered to meet or exceed OE specifications, featuring a maximum temperature rating of 350F. It offers dyno-proven performance gains, increasing horsepower by +6.8 whp and torque by +6.4 ft/lbs, while also improving throttle response and reducing heat soak.
The kit includes stainless steel t-bolt clamps and an easy-to-follow installation manual. No modification or re-tuning is required for installation, and it does not trigger a Check Engine Light (CEL).
Show original supplier description
Vehicle Symptoms
- Loss of power under acceleration
- Rough idle or stalling
- Poor throttle response
- Whistling or hissing noise from engine bay
- Check engine light with lean codes
Diagnostic Codes
- P0171 – System Too Lean (Bank 1)
- P0174 – System Too Lean (Bank 2)
- P0101 – Mass Air Flow Circuit Range/Performance
- P0300 – Random/Multiple Cylinder Misfire Detected
Relevant Conversations
- G37 loss of power after cold start forum
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- How to install post MAF hose on G37 3.7
- G37 rough idle check engine light P0101
- Best intake upgrade for G37 VQ37VHR
- G37 whistling noise from intake fix
- G37 throttle response improvement intake hose
- G37 P0300 misfire caused by intake leak
- G37 intake hose replacement cost
Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
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Specifications
| Brand | HPS Silicone |
| Part Number | 87-68426 |
| Category | Air and Fuel |
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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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