Just curious: Has anybody installed throttle body spacers?
A Realtruck ad says:
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THROTTLE BODY SPACERS
See the top brands in throttle body spacers and upgrade your 2015 Nissan Titan. RealTruck has incredible throttle body spacers to trick out your Titan truck.
Serrated Entry: Reduces annoying whistling sound especially at idle and cruising speeds.
Increased Throttle Efficiency: The additional space increases the volume between throttle and cylinder improving volumetric efficiency.
Dyno Proven Results: Gain up to 10-horse power and 14-lbs/ft torque.
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LINK
I have not noticed any whistling sound at idle or cruising speed in my stock 2015 Titan.
A Realtruck ad says:
-------------------
THROTTLE BODY SPACERS
See the top brands in throttle body spacers and upgrade your 2015 Nissan Titan. RealTruck has incredible throttle body spacers to trick out your Titan truck.
Serrated Entry: Reduces annoying whistling sound especially at idle and cruising speeds.
Increased Throttle Efficiency: The additional space increases the volume between throttle and cylinder improving volumetric efficiency.
Dyno Proven Results: Gain up to 10-horse power and 14-lbs/ft torque.
------------------
LINK
I have not noticed any whistling sound at idle or cruising speed in my stock 2015 Titan.