What stage is best for most owners on the 2014 Acura TSX?

Stage 1 is the best first step for most owners because it offers best for most owners and a published cost of $800 - $1,500.

Is the ECU easy to tune on the 2014 Acura TSX?

ECU access is listed as moderate, with OBD-II port flashing available via Hondata and KTuner. Custom tuning required to maximize gains from hardware modifications..

How much does it cost to tune a 2014 Acura TSX?

budget build builds typically run $800 - $1,500. street performance builds typically run $1,500 - $3,000. track ready builds typically run $3,000+.

What is the best handling upgrade for the 2014 Acura TSX?

Suspension is a strong starting point because it lowering springs and performance shocks/struts will reduce body roll and improve cornering stability..

What should you fix before tuning a 2014 Acura TSX?

Start with VTC Actuator Noise, Brake Pedal Stiffness/Sponginess, Battery Drain / Parasitic Draw before adding more boost or torque.

What wheel and tire setup works best on the 2014 Acura TSX?

For the 2014 Acura TSX, wheel and tire setup should balance handling goal, street fitment, and tire strategy.

What is the best tuning stage for the 2014 Acura TSX?

Stage 1 is the best fit for most owners, with +15-25 hp expected gain and budget around $800 - $1,500.

How much horsepower does tuning add to the 2014 Acura TSX?

Stage 1 typically adds +15-25 hp, while Stage 2 can reach +25-40 hp with more supporting hardware.

How much does it cost to tune the 2014 Acura TSX?

Stage 1 is usually $800 - $1,500, while Stage 2 is usually $1,500 - $3,000.

2014 Acura TSX Tuning Guide

Name: Tuning dataset for 2014 Acura TSX
Creator: Carfocal

v1.0Updated May 30, 2026Ryan Davis3 Critical Recalls

Tuning Summary

The 2014 Acura TSX, particularly the V6 model, has a 3.5L V6 engine with 280 horsepower and 254 lb-ft of torque. There is aftermarket support for tuning, including ECU remapping (Hondata, KTuner) and performance parts like intakes, headers, and exhaust systems. While the automatic transmission's longevity with significant power increases is an unknown, manual transmission versions and the overall availability of parts suggest good tuning potential. The car also has a cult following among enthusiasts.

View Stage 1 (Best first mods)

Choose your path

Stage 1 Stage 2

Tunability Score

Max HP Gain

25-40 hp

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Tuning Score: 6/10

2 published stage paths

ECU Access: Moderate

Access limits faster builds

Aftermarket Support: Good

Support varies by build target

Estimated HP Gain: +25-40 hp

Highest published stage gain

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MethodologyHow we score →

Scores are derived from NHTSA recalls and owner complaints, normalized by vehicle segment averages.

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