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AES InnovateAnderson Engineering Solutions

Jeep & Chevrolet supportComing soon · Toyota and Lexus fitment is available now. Find your kit

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Automotive performance upgrades

Get More From Your Vehicle.Engineered for Performance.

Explore performance productsFind parts for your vehicle
AES 3UR aluminum runner spacers with red intake gaskets, bolts and washers
3UR / 5.7L V8View runner kit

Benefits apply only to relevant AES products and vary by vehicle, setup and permitted use.

  • Stronger pulling power at lower engine speeds.
  • Quicker response when pressing the accelerator.
  • Improved everyday drivability with applicable performance upgrades.
  • Vehicle-specific fit
  • Checked for dimensional accuracy
  • Direct support from AES

Independent dyno test · 1GR-FE Toyota Tacoma

Tested & Proven.

Our parts aren’t just designed to improve performance. They’re put to the test. On an independent dyno, the AES intake spacer gave a 1GR-FE Toyota Tacoma more torque across the rev range, including the low and mid RPM you use when pulling away and climbing, with no loss of power at the top.

  • +8.2 lb-ftmore peak torque238.87 → 247.10 lb-ft
  • +3.9 hpmore peak power199.57 → 203.49 hp
  • No roll-offat high RPMOTT: “we did not get any high RPM output roll off”
Overland Tailor Tuning Dynojet chart of power (hp) and torque (lb-ft) against engine speed from about 2,000 to 5,500 rpm. Red lines are the stock 1GR-FE Tacoma; blue lines are the same truck with the AES intake spacer. The blue torque line stays at or above the red across the tested range. Legend: stock 199.57 hp at 5,050 rpm and 238.87 lb-ft at 3,670 rpm; AES spacer 203.49 hp at 4,940 rpm and 247.10 lb-ft at 3,790 rpm.
Red: stock intakeBlue: AES intake spacerChart: Overland Tailor Tuning LLC (OTT), Dynojet, October 6, 2023. Plotted data, axes and legend unaltered; shown with permission.Open full-size chart (opens in a new tab)

About the test. Overland Tailor Tuning LLC (OTT), an independent tuning shop, compared its otherwise stock 2014 Toyota Tacoma (4.0L 1GR-FE (single VVT-i)) with and without the AES intake spacer on the same dyno and day. OTT reported “low end/midrange torque improvements” and found the “additional torque available at all RPM's”. Testing was performed by OTT, not by AES.

One truck, one back-to-back comparison. Results depend on the vehicle, engine configuration and condition, fuel, calibration and test conditions, so your results may differ. This test covered the single VVT-i 1GR-FE; other 1GR applications and other AES products were not tested. Not C.A.R.B. approved; see the product page for restrictions.

Engineering details and full test data
Peak values from OTT’s chart legend
MeasurementStockAES spacerDifference
Peak torque238.87 lb-ftat 3,670 rpm247.10 lb-ftat 3,790 rpm+8.2 lb-ft
Peak power199.57 hpat 5,050 rpm203.49 hpat 4,940 rpm+3.9 hp

Why it works

The spacer adds length to each intake runner. In induction (resonance) tuning, longer runners generally favor torque in the low and middle of the rev range, which is the pattern OTT measured on this truck.

Test conditions

  • Dynojet Model 424xLC² chassis dyno, SAE correction, smoothing 5
  • 91 octane fuel, factory (OEM) engine calibration
  • Same truck and dyno on the same day; one stock run and one run with the AES spacer shown

Source: OTT test notes on TacomaWorld (opens in a new tab) · About Overland Tailor Tuning (opens in a new tab)

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Intake upgrades for more usable pulling power at lower RPMs, performance headers, and supporting accessories. Race equipment is also available.

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Anderson Engineering Solutions · Miamisburg, Ohio

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in the USA.

AES states that its manufactured products are made in the USA. Its products and kits are evaluated for build quality, proper fitment and dimensional accuracy — checking how well parts are made and how they fit the intended application.

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Ask about fitment, installation or the upgrade you’re considering. AES also welcomes manufacturing inquiries.

support@aesinnovate.com937-823-55412183 Belvo Rd, Miamisburg, OH 45342

Include year, model, engine code and intake configuration if you know them.

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