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aFe Silver Bullet Throttle Body Spacers Part #46-34003 Customer Reviews
3 Customer Reviews
Reviewed by Richard C (Harrisburg, PA) Reviewed for a 2008 Chevy Avalanche — Jun 29, 2012 7:09 AM
I have had it installed for just over a week now and I definitely can tell the improved throttle response. I haven't seen any improved MPG. As for horsepower, I have this installed with the aFe cold air intake and overall I feel more horsepower, but not sure which item really provided the additional horsepower. I purchased because I wanted more power for towing and better MPG. The better MPG is yet to be realized, but I would still recommend to others given the relatively low cost and increased horsepower.
Reviewed by George Y (Angleton, TX) Reviewed for a 2008 Hummer H2 — Feb 09, 2010 10:59 PM
Received the spacer in a few short days. Well designed and fits to the intake perfectly. No whistling noise heard when running. Power increase wasn't pronounced but that would need a dyno test before-and-after installation for measurement. Spacer is used in combination with cold-air intake and cat-back exhaust. Together made major improvement in acceleration.