800.345.4545
Call Our Support Line
24 Hours / 7 Days a Week!  
FREE SHIPPING!
Same Day Shipping Before 11 PM ET
0
My Cart
0
$0.00
Shop By Vehicle
Shop By
Category
Close Menu
Shop By Vehicle
Top Categories
All Categories

All Categories


Free Catalog
E-Mail Signup
My Account
Track Order
Gift Certificates
Rebates
Help

JMS JLS3EXT

MAF Sensor Wiring Extension LS3/LS7 MAF Extension

JMS JLS3EXT

227-JLS3EXT

made in usa
jegs shipping
Ships from Manufacturer
Easy Returns
Easy Returns
Lowest Price Guarantee
Lowest Price Guarantee
JMS JLS3EXT MAF Sensor Wiring Extension LS3/LS7 MAF Extension $49.00
MAF Sensor Wiring Extension
  • LS3/LS7 MAF Extension
  • 36" Length

  • Specifications:

    Manufacturer's Part Number:
    JLS3EXT

    Accurately Scale and Filter Your Mass Air Signal

    The JMS Mass Air Modifier is the ONLY device capable of filtering AND scaling the mass air signal in your car. By filtering the mass air signal in your vehicle, the idling and cruising performance of your engine will greatly improve. All modifications can be performed with the included screwdriver by adjusting the knobs and switches on the face of the device, without any need to connect to a computer! The Mass Air Modifier is available in digital and analog signal versions, allowing you to choose the proper device for your newer or older vehicles. Installation kit included.

    Features
  • Easy to Set-Up and Use
  • Digital and Analog Versions Available
  • Fully Adjustable without the Need for a Computer
  • Filters and Cleans Mass Air Signal
  • Adjustable Filter Window: Idle or Cruise
  • Learns the Unique Idle of your Application
  • Scales Mass Air Signal to a Fine Tune for Additional Power
  • Plug-and-Play Wiring Harness
  • Works with Both 12V and 16V Battery Systems
  • Compliant with All Stock and Aftermarket Mass Air Sensors
  • 34-Page Instruction Manual Included

    NOTE: Not legal for sale or use in California or on pollution-controlled vehicles

  • Does JMS JLS3EXT fit your vehicle?

    Narrow Results

    2012 CADILLAC CTS

    • EngineType: ALL
    • SubModel: 3.6L

    2010-2016 GMC SIERRA 1500

    • EngineType: ALL
    • SubModel: ALL

    2010-2011 CHEVROLET SILVERADO 1500

    • CC: 5328
    • Liter: 5.3
    • SubModel: XFE
    • CUI: 325
    • EngineType: V8 ( 5.3 L / 325 )

    2010-2011 CHEVROLET CAMARO

    • Liter: 3.6
    • SubModel: LT
    • CUI: 217
    • EngineType: V6 ( 3.6 L / 217 )

    2011 CHEVROLET CAMARO

    • EngineType: ALL
    • SubModel: 1SS

    2009 PONTIAC G8

    • EngineType: ALL
    • SubModel: ALL

    2009-2011 CADILLAC CTS

    • EngineType: ALL
    • SubModel: ALL

    2014 CHEVROLET SILVERADO 1500

    • EngineType: ALL
    • SubModel: HIGH COUNTRY

    2010-2012 CHEVROLET CORVETTE

    • EngineType: ALL
    • SubModel: GRAND SPORT

    2010-2011 CHEVROLET CAMARO

    • CC: 6162
    • Liter: 6.2
    • SubModel: SS
    • CUI: 376
    • EngineType: V8 ( 6.2 L / 376 )

    2014 CADILLAC CTS

    • CC: 1998
    • Liter: 2.0
    • SubModel: PREMIUM
    • CUI: 122
    • EngineType: L4 ( 2.0 L / 122 )

    2010-2011 CHEVROLET CAMARO

    • Liter: 3.6
    • SubModel: LS
    • CUI: 217
    • EngineType: V6 ( 3.6 L / 217 )

    2014 CADILLAC CTS

    • EngineType: ALL
    • SubModel: COUPE

    2015-2016 CHEVROLET SILVERADO 1500

    • EngineType: ALL
    • SubModel: ALL

    2012-2014 CADILLAC CTS

    • EngineType: ALL
    • SubModel: BASE

    2010-2011 CHEVROLET SILVERADO 1500

    • EngineType: ALL
    • SubModel: LT

    2012-2014 CADILLAC CTS

    • EngineType: ALL
    • SubModel: LUXURY

    2012-2013 CHEVROLET SILVERADO 1500

    • EngineType: ALL
    • SubModel: ALL

    2010-2011 CHEVROLET SILVERADO 1500

    • EngineType: ALL
    • SubModel: LS

    2015-2016 CADILLAC CTS

    • EngineType: ALL
    • SubModel: ALL

    2009-2012 CHEVROLET CORVETTE

    • EngineType: ALL
    • SubModel: Z06

    2009-2012 CHEVROLET CORVETTE

    • EngineType: ALL
    • SubModel: ZR1

    2013 CADILLAC CTS

    • EngineType: ALL
    • SubModel: V LUXURY

    2012-2014 CADILLAC CTS

    • EngineType: ALL
    • SubModel: V

    2010-2011 CHEVROLET SILVERADO 1500

    • EngineType: ALL
    • SubModel: LTZ

    2013 CHEVROLET CORVETTE

    • EngineType: ALL
    • SubModel: ALL

    2012 CADILLAC CTS

    • EngineType: ALL
    • SubModel: 3.0L

    2010-2011 CHEVROLET SILVERADO 1500

    • EngineType: ALL
    • SubModel: HYBRID

    2008 CHEVROLET CORVETTE

    • EngineType: ALL
    • SubModel: ALL

    2014 CHEVROLET SILVERADO 1500

    • EngineType: ALL
    • SubModel: WT

    2011 CHEVROLET CORVETTE

    • EngineType: ALL
    • SubModel: Z06 CARBON

    2012-2014 CADILLAC CTS

    • EngineType: ALL
    • SubModel: PERFORMANCE

    2014 CHEVROLET SILVERADO 1500

    • EngineType: ALL
    • SubModel: BASE

    2011 CHEVROLET CAMARO

    • EngineType: ALL
    • SubModel: 2SS

    2010-2011 CHEVROLET SILVERADO 1500

    • EngineType: ALL
    • SubModel: BASE

    2012-2015 CHEVROLET CAMARO

    • EngineType: ALL
    • SubModel: ALL

    2014 CHEVROLET SILVERADO 1500

    • EngineType: ALL
    • SubModel: LTZ

    2012-2014 CADILLAC CTS

    • CC: 3564
    • Liter: 3.6
    • SubModel: PREMIUM
    • CUI: 217
    • EngineType: V6 ( 3.6 L / 217 )

    2009-2012 CHEVROLET CORVETTE

    • EngineType: ALL
    • SubModel: BASE

    2012 CADILLAC CTS

    • EngineType: ALL
    • SubModel: COUPE

    2011 CHEVROLET CAMARO

    • EngineType: ALL
    • SubModel: 1LT

    2012-2013 CADILLAC CTS

    • CC: 2994
    • Liter: 3.0
    • SubModel: PREMIUM
    • CUI: 183
    • EngineType: V6 ( 3.0 L / 183 )

    2014 CADILLAC CTS

    • EngineType: ALL
    • SubModel: VSPORT

    2014 CADILLAC CTS

    • EngineType: ALL
    • SubModel: VSPORT PREMIUM

    2010-2011 CHEVROLET SILVERADO 1500

    • EngineType: ALL
    • SubModel: WT

    2014 CHEVROLET SILVERADO 1500

    • EngineType: ALL
    • SubModel: LT

    Before you leave us... Receive a free catalog or join our email list

    Sign up to receive our catalog or subscribe to our email list now to see our exclusive email only specials, new products, and offers!

    Request CatalogJoin Email List