ZR2/AT4X Spec Active Exhaust Calibration 85822149
⚠ WARNING: Cancer - www.P65Warnings.ca.gov
Description
Product Information
- Designed specifically for your vehicle to enhance the driving experience
- Activated during Sport mode, allowing a wider range of aggressive exhaust sounds
- At startup and when in Sport Mode, the calibration allows the valve to open up to 35% more for a sporty, more aggressive exhaust note
- While cruising at 1200-1500 rpm, valve opens up to 10% more
- Quicker valve-open response under wide-open throttle
- Compatible with 2025+ models with 6.2L V8 engine
- Installation by an authorized Chevrolet/GMC Dealer is required
Product Details
Give your vehicle a more aggressive sound with a Chevrolet Performance Active Exhaust Calibration. When in Sport mode, this calibration changes when and how much the active exhaust valves open making for a louder exhaust note at startup, while cruising and under wide-open throttle. Compatible with 2025+ models with a 6.2L V8 engine (also known as L87). Installation by an authorized Chevrolet Dealer is required.
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Frequently Asked Questions
Q: Are there parts included with this calibration?
A: No, there is no hardware included for this calibration. The calibration must be performed at an authorized dealer.
Q: Will this calibration work with my engine?
A: This calibration is for 2025+ models with a 6.2L V8 engine.
Q: Can I install this part myself?
A: Installation by an authorized dealer is required.
Q: Will this calibration change my vehicle's emissions?
A: No, this calibration will not affect the vehicle's emissions.
Q: Does the calibration result in an increase in HP or torque for my vehicle?
A: No. There is no change in HP or torque with this calibration.
Q: Will this calibration increase the decibel output for my exhaust sound?
Customer Reviews

