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This listing is for AFE Filters 46-31011 Throttle Body Spacer Kit

Part Number 46-31011

Advanced FLOW Engineering (aFe Power) designs and manufactures performance air, exhaust and power-management systems for trucks, SUVs and sport compacts, with a particular strength in diesel truck performance. Founded in 1999 and still headquartered in Corona, California, aFe builds in-house across two facilities totalling 164,000 square feet — filters, intakes, exhaust, headers, intercoolers and torque converters are made on site, with CNC machining, mandrel tube bending and dyno testing under the same roof. The catalogue spans cold air intakes, direct-fit and racing air filters, cat-back and axle-back exhaust, intercoolers, turbochargers, electronic programmers, diesel fuel systems and throttle body spacers, across more than 2,500 applications. Recognisable product families include Pro 5R, Pro Dry S and Pro Guard 7 filter media, Takeda for sport compact intakes and exhaust, BladeRunner intercoolers and manifolds, Scorcher programmers, Aries powersports filtration, and aFe Control for suspension and chassis.

The serrated/helix design (US PAT 07055513) creates turbulence in the intake manifold and increases air pressure in the combustion chamber for better performance. This unique entry design also reduces intake whistle that commonly occurs with other helix-only styles. The addition of a Silver Bullet throttle body spacer lengthens the intake tract, which increases air intake speed, resulting in improved throttle response and overall performance. All Silver Bullet throttle body spacers are precision machined from 6061-T6 billet aluminum for lightweight, high strength, and a black anodized finish. This Silver Bullet throttle body spacer includes quality, machined screws, allowing for a secure, factory-like, non-damaging install to your factory intake manifold. This throttle body spacer will fit aFe Power intakes P/N: 51-81012-B, 54-81012-B, 51-81012-C, 54-81012-C, 54-13053D and 54-13053R.

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