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![21789CFBLK Active Valve (NPP) Axle-Back Exhaust System Fits Select Chevrolet Camaro SS, ZL1 6.2L [Quad Carbon Fiber Tips]](https://www.jegs.com/images/mini_750/200/255/255-21789cfblk.jpg)
Vehicle Info NeededCORSAPART NUMBER: 255-21789CFBLK
21789CFBLK Active Valve (NPP) Axle-Back Exhaust System Fits Select Chevrolet Camaro SS, ZL1 6.2L [Quad Carbon Fiber Tips]
$3,09999
2 left in stock
Ships on Sep 14, 2026
Lowest Price GuaranteeCat-Back - "Valved" Sound Level
Active Valve (NPP) Axle-Back Exhaust SystemFits Select Chevy Camaro SS, ZL1 6.2L 2.750 in. Exhaust Tubing Quad 4.500 in. Carbon Fiber Flat Tips Dual Rear Exit Tip Finish: Black PVD Valved Sound
Corsa 21789CFBLK Valved Axle-Back Exhaust System Features:
- Includes all necessary hardware for installation
- Increases flow by up to 18 percent
- Straight-through design mufflers with Patented no-drone, reflective sound cancellation (RSC) technology
- Valve system allows control of the multi-mode exhaust (NPP)
- Extreme sound modes with (+12 decibels Louder)
- Mandrel-bent (2.750 in.) 304 stainless steel construction
Emissions Note:
This part is legal for sale or uses on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.
CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART
Part TypeExhaust System
BrandCORSA
Package Height15.25
Package Width17.25
Package Length39.5
Weight56.0 PG
Part CategoryPerformance Parts
Hardware IncludedYes
Tip IncludedYes
Pipe Diameter2.75 in (69.9 mm)
Mandrel-BentYes
Tip Diameter4.5 in (114.3 mm)
QuantitySold as a kit
Material304 Stainless Steel
Muffler Quantity2
Tip Quantity4 (quad style)
Muffler StyleActive Valve (NPP)
Tip ShapeRound
Part FitmentDirect Fit
Tip FinishBlack PVD
Exhaust TypeAxle-Back
Sound LevelVariable
Vendor Part Number21789CFBLK
Package Qty1
Package TypeEA
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REPLACEMENT PARTS
CORSA
21835CFBLK Pro Series Clamp-On Exhaust Tips Fits Select Chevrolet Camaro SS, ZL1 6.2L [4.500 in. Quad Outlet, Carbon Fiber/Black
Part Number : 255-21835CFBLK
$88999
CORSA
Part Number : 255-21835CFBLK
$88999
Some parts are not legal for use in California or other states with similar laws / regulations
