Used 2014 C7 Corvette NPP Exhaust – Good Condition | Factory Bimode Mufflers (19K Miles)

Used 2014 C7 Corvette NPP Exhaust – Good Condition | Factory Bimode Mufflers (19K Miles)

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PRODUCT OVERVIEW

Up for sale is a genuine factory NPP exhaust system from a 2014 C7 Corvette with only 19,000 miles. This is the sought-after bimode performance exhaust that allows you to adjust your Corvette’s exhaust note with the push of a button.

The NPP (performance exhaust) system is one of the most desirable factory options on the C7 Corvette. With the valves closed, the exhaust is quiet and refined for daily driving. Open the valves, and you get that aggressive, roaring V8 sound that turns heads and makes every drive an event.

This complete system is in good condition with low mileage and ready to install on your C7 Corvette.

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CONDITION DETAILS

✅ Good Condition – Clean, structurally sound
✅ Low Mileage – Only 19,000 miles
✅ Complete System – Both mufflers included
✅ Actuators Included – Valves and motors ready to go
✅ Factory NPP – Genuine GM performance exhaust
✅ Ready to Install – No modification needed
✅ Tested – Removed from running vehicle

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KEY FEATURES

🔧 Factory NPP Bimode Exhaust – Genuine GM performance system

🔧 Adjustable Sound – Quiet when closed, aggressive when open

🔧 Electric Actuators – Included for valve operation

🔧 Direct Fit – Bolts onto 2014-2019 C7 Corvette

🔧 Stainless Steel Construction – Factory durability

🔧 19,000 Miles – Low mileage, plenty of life left

🔧 Great Upgrade – Perfect for non-NPP cars

🔧 Premium Sound – That iconic Corvette V8 roar

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VEHICLE FITMENT

✅ Compatible Models:
– 2014 Chevrolet Corvette C7 Stingray
– 2015 Chevrolet Corvette C7 Stingray
– 2016 Chevrolet Corvette C7 Stingray
– 2017 Chevrolet Corvette C7 Grand Sport
– 2018 Chevrolet Corvette C7 Grand Sport
– 2019 Chevrolet Corvette C7 Grand Sport

✅ Compatible Trims:
– Corvette Stingray
– Corvette Grand Sport
– Corvette Z51 (with NPP option)

❌ Does NOT Fit:
– C7 Corvette Z06 (different exhaust configuration)
– C7 Corvette ZR1 (different exhaust)
– C6 Corvette (requires modification)
– Non-Corvette vehicles

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WHAT IS NPP EXHAUST?

NPP (RPO code NPP) is the factory performance exhaust system available on the C7 Corvette. Key features include:

🔊 **Bimode Design:** Uses vacuum-operated or electric valves to control exhaust flow

🔊 **Adjustable Sound:** Open valves = aggressive, loud exhaust; closed valves = quiet, refined sound

🔊 **Dash Control:** Switch between modes using the exhaust button on the center console

🔊 **Automatic Operation:** Valves automatically open at higher RPMs for maximum performance

🔊 **Best of Both Worlds:** Enjoy quiet cruising AND aggressive performance

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WHAT’S INCLUDED

This complete NPP exhaust system includes:

• (1) Driver Side Muffler – With actuator and valves
• (1) Passenger Side Muffler – With actuator and valves
• Factory actuators – Electric motors for valve operation
• Valve assemblies – Functional and tested
• Connecting pipes – As shown
• Factory hardware (if included)

Complete system ready to install.

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NPP VS NON-NPP EXHAUST

| Feature | Non-NPP Exhaust | NPP Performance Exhaust |
|———|—————–|————————|
| Sound | Fixed volume | Adjustable (quiet/loud) |
| Valves | No | Yes – bimode |
| Actuators | No | Included |
| Dash Control | No | Yes (with button) |
| Performance | Standard | Increased flow when open |
| Desirability | Factory standard | Highly sought after |
| Resale Value | Standard | Adds value |

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INSTALLATION INFORMATION

Installation Time: 2-3 hours
Difficulty Level: Moderate

**Installation Overview:**
1. Lift vehicle and secure on jack stands
2. Remove rear bumper cover (recommended)
3. Disconnect electrical connectors from actuators
4. Remove factory exhaust from hangers
5. Unbolt exhaust from mid-pipe connections
6. Remove old exhaust system
7. Install NPP exhaust in reverse order
8. Connect actuator wiring
9. Ensure proper clearance and alignment
10. Test operation with exhaust button

**Tools Needed:**
– Socket set (10mm, 13mm, 15mm)
– Exhaust hanger removal tool
– Jack and jack stands
– Penetrating oil for bolts

⚠️ **Important:** If your vehicle did not come with NPP from the factory, you will need to wire the actuators or use an aftermarket controller.

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ACTUATOR CONNECTIONS

**For cars that came with NPP:**
– Simply plug in the factory connectors
– System works automatically

**For cars without NPP:**
– You have options:
1. Install Mild2Wild controller (aftermarket)
2. Wire actuators to a switch
3. Set valves to open position and leave them
4. Program with aftermarket tuning software

Contact us for recommendations on controller options.

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FREQUENTLY ASKED QUESTIONS

**Will this fit my 2015 C7 Corvette?**
Yes, this exhaust fits all 2014-2019 C7 Corvette Stingray and Grand Sport models.

**What about Z06?**
No, Z06 has a different exhaust configuration with larger pipes.

**Do the actuators work?**
Yes, the actuators are included and functional.

**Will this fit my non-NPP car?**
Yes, the exhaust physically bolts on. You will need to address actuator wiring or use an aftermarket controller.

**How many miles are on these?**
Only 19,000 miles – low mileage, great condition.

**What’s the condition?**
Good condition with normal wear for low-mileage take-off exhaust.

**Will this make my car louder?**
When valves are open, yes – much louder and more aggressive. When closed, it’s quieter than aftermarket systems.

**Do I need a tune?**
No tune required for the exhaust itself. If adding aftermarket controllers, no tune needed.

**Can I see more photos?**
Absolutely – contact us and we’re happy to provide additional photos.

**What’s the return policy?**
Returns accepted within specified timeframe. Contact us for complete return policy details.

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SOUND PROFILE

**Valves Closed (Quiet Mode):**
– Refined, comfortable for daily driving
– No drone on the highway
– Respectable in neighborhoods
– Still has V8 character

**Valves Open (Loud Mode):**
– Aggressive, commanding V8 roar
– Deep, throaty tone
– Pop and crackle on downshifts (especially with manual transmission)
– The iconic Corvette sound

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WHY UPGRADE TO NPP?

✅ **Factory Quality:** OEM reliability and fitment

✅ **Adjustable Sound:** Best of both worlds

✅ **Performance:** Increased flow when open

✅ **Resale Value:** Adds value to your Corvette

✅ **Easy Install:** Direct fit for C7

✅ **Low Mileage:** Only 19,000 miles

✅ **Complete System:** Everything included

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COMPLETE YOUR EXHAUST SETUP

Pair this NPP exhaust with:

• Mild2Wild Controller (for non-NPP cars)
• X-Pipe for even more sound
• Long Tube Headers
• Cold Air Intake
• Performance Tune

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SHIPPING INFORMATION

Processing Time: 1-3 business days
Shipping Method: FedEx / UPS / Freight
Delivery Time: 3-7 business days

Exhaust components are carefully packaged to prevent damage during transit.

Local pickup is welcome – contact us to arrange.

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ORDER YOUR NPP EXHAUST TODAY

Don’t miss out on this low-mileage factory NPP exhaust for your C7 Corvette. Get the iconic adjustable exhaust sound that makes the Corvette truly special. Only 19,000 miles, good condition, ready to install!

Questions about fitment or installation? Contact our Corvette specialist team for expert assistance!

/=== EXTERNAL RESOURCES ===

For installation guides and wiring tips, check Corvette Forum where C7 owners share NPP conversion experiences.