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MagnaFlow OEM Grade Direct-Fit Catalytic Converter 49143 for the 2007-2013 INFINITI G35 / G37 }
MagnaFlow 49143 main product photo, alternate angle 2 }
MagnaFlow 49143 oem grade direct-fit catalytic converter, rear view of the turntable spin }
MagnaFlow 49143 oem grade direct-fit catalytic converter, opposite rear three-quarter view of the turntable spin }
MagnaFlow 49143 oem grade direct-fit catalytic converter, opposite front three-quarter view of the turntable spin }
MagnaFlow 49143 oem grade direct-fit catalytic converter, rear three-quarter view of the turntable spin }
MagnaFlow 49143 oem grade direct-fit catalytic converter, front three-quarter view of the turntable spin }
MagnaFlow 49143 oem grade direct-fit catalytic converter, side view of the turntable spin }
MagnaFlow 49143 oem grade direct-fit catalytic converter, opposite side view of the turntable spin }
MagnaFlow OEM Grade Direct-Fit Catalytic Converter 49143 for the 2007-2013 INFINITI G35 / G37
MagnaFlow 49143 main product photo, alternate angle 2
MagnaFlow 49143 oem grade direct-fit catalytic converter, rear view of the turntable spin
MagnaFlow 49143 oem grade direct-fit catalytic converter, opposite rear three-quarter view of the turntable spin
MagnaFlow 49143 oem grade direct-fit catalytic converter, opposite front three-quarter view of the turntable spin
MagnaFlow 49143 oem grade direct-fit catalytic converter, rear three-quarter view of the turntable spin
MagnaFlow 49143 oem grade direct-fit catalytic converter, front three-quarter view of the turntable spin
MagnaFlow 49143 oem grade direct-fit catalytic converter, side view of the turntable spin
MagnaFlow 49143 oem grade direct-fit catalytic converter, opposite side view of the turntable spin

MagnaFlow OEM Converter 2007-2013 INFINITI G35 / G37 Driver Side 49143

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Brand: MagnaflowSKU / Part #: MAG49143
$1,426.00
$1,426.00
$1,426.00
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Subtotal: $1,426.00
MagnaFlow OEM Converter 2007-2013 INFINITI G35 / G37 Driver Side 49143
Subtotal: $1,426.00
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Overview

A 2007-2013 INFINITI G35 / G37 3.5L/3.7L with a tired catalyst needs a replacement that keeps the readiness monitors happy. MagnaFlow's OEM Grade 49143 is built for exactly that job and bolts in without cutting or welding. Coverage spans 14 model years: 2007-2008 INFINITI G35 (Sport, X, Base, Journey), 2007-2009 Nissan 350Z (Nismo, Touring, Base, Enthusiast, Grand Touring), 2008-2013 INFINITI G37 (Base, IPL, Journey, Sport, X) and 2009-2010 INFINITI M35 (Base, X), plus 13 more models in the table below. This is the driver-side converter position, so match it to the unit you are replacing. Shipping weight is about 11.6 lb.

Features

  • OEM Grade loading sized for the 3.5L/3.7L OBD-II catalyst monitor
  • Driver-side position
  • Fits 2007-2008 INFINITI G35: Sport, X, Base, Journey
  • Fits 2007-2009 Nissan 350Z: Nismo, Touring, Base, Enthusiast, Grand Touring
  • Fits 2008-2013 INFINITI G37: Base, IPL, Journey, Sport, X
  • 14 further models listed in the fitment table

What is in the box

  • Gaskets and mounting hardware for installation

Specs

Part number 49143
Type OEM Grade Direct-Fit Catalytic Converter
Emissions Federal/EPA compliant (not for CARB states)
Grade OEM Grade
Material 16-gauge 409 stainless steel
Shipping weight 11.6 lb

Construction

  • OEM Grade catalyst loading for engines with sensitive OBD-II efficiency monitoring
  • Installs at the factory mounting points without cutting or welding
  • Body and pipes in 16-gauge 409 stainless steel
  • Spun body closed with a single laser-fusion weld to resist leaks
  • Mandrel-bent inlet and outlet pipes keep factory flow
  • OE-sized 410 stainless hangers
  • 308 stainless MIG welds
  • Shape developed from 3D scans of the original part

Installation

Direct-fit and bolt-on; a capable DIYer can install it with the right tools, though professional installation is recommended.

Fitment notes

Sold for federal (EPA) emissions use only; it cannot be sold or installed in California, Colorado or New York. Check the fitment table below against your vehicle, including trim and engine.

Fitment

Make Model Chassis Year Engine
INFINITI G35 (Sport, X, Base, Journey) — 2007-2008 3.5L/3.7L
Nissan 350Z (Nismo, Touring, Base, Enthusiast, Grand Touring) — 2007-2009 3.5L/3.7L
INFINITI G37 (Base, IPL, Journey, Sport, X) — 2008-2013 3.5L/3.7L
INFINITI M35 (Base, X) — 2009-2010 3.5L/3.7L
Nissan 370Z (40th Anniversary Edition, Base, Heritage Edition, Nismo, Nismo Tech, Sport, Sport Tech, Sport Touring, Touring, Touring Sport) — 2009-2020 3.5L/3.7L
INFINITI EX35 (Base, Journey) — 2008-2010 3.5L/3.7L
INFINITI EX37 (Base, Journey) — 2013 3.5L/3.7L
INFINITI FX35 (Base) — 2009-2012 3.5L/3.7L
INFINITI FX37 (Base) — 2013 3.5L/3.7L
INFINITI M37 (Base, X) — 2011-2013 3.5L/3.7L
INFINITI Q40 (Base) — 2015 3.5L/3.7L
INFINITI Q50 (Base, Premium, Sport) — 2014-2015 3.5L/3.7L
INFINITI Q60 (Base, IPL, Journey, S, S Limited) — 2014-2015 3.5L/3.7L
INFINITI Q70 (3.7, 3.7 Luxe, Luxe) — 2014-2019 3.5L/3.7L
INFINITI Q70L (3.7, 3.7 Luxe) — 2015-2019 3.5L/3.7L
INFINITI QX50 (Base, Journey) — 2014-2017 3.5L/3.7L
INFINITI QX70 (Base) — 2014-2017 3.5L/3.7L
Fitment
YearMakeModel
2007–2008InfinitiG35
2007–2009Nissan350Z
2008–2013InfinitiG37
2009–2010InfinitiM35
2009–2020Nissan370Z
2008–2010InfinitiEX35
2013–2013InfinitiEX37
2009–2012InfinitiFX35
2013–2013InfinitiFX37
2011–2013InfinitiM37
2015–2015InfinitiQ40
2014–2015InfinitiQ50
2014–2015InfinitiQ60
2014–2019InfinitiQ70
2015–2019InfinitiQ70L
2014–2017InfinitiQX50
2014–2017InfinitiQX70

Not sure? Text us your VIN and we’ll confirm.

Shipping & returns

Shipping: Orders ship via UPS, FedEx or USPS, from our facility near Los Angeles or directly from the manufacturer. Rates for many items are weight-based and shown at checkout. If you need it by a certain date, text us before you order.

Returns: Unused items in brand-new condition and original packaging can be returned within 30 days of the invoice date, with a 25% restocking fee unless otherwise specified. In some cases we can offer a lower fee with the balance as store credit. Shipping charges aren't refundable in either direction unless approved by AutoTalent.

Not returnable: special-order or custom items, and anything that has been installed, modified or altered.

Cancellations: free if the item is out of stock or we miss the ETA you agreed to. Other cancellations carry a 5% processing fee to cover card fees we can't recover. Special-order items can't be cancelled.

Damaged in transit? Report it to the carrier and to us within 48 hours, keep all packaging, and don't send anything back without our written approval.

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