1991 Infiniti Q45 Exhaust Parts

Essential 1991 Infiniti Q45 Exhaust Parts

Dorman – Double Ended Stud – M10-1.50 x 27mm and M10-1.50 x 12mm (Part No.29224)

Double Ended Stud - M10-1.50 x 27mm and M10-1.50 x 12mm

from

$6.29
This exhaust flange stud and nut are designed to match the fit and function of the original hardware on specified vehicles. Made of quality materials, this hardware is engineered for reliable performance.

Product Features:
  • Direct replacement – this exhaust flange stud and nut are designed to match the fit and function of the original hardware on specified vehicles
  • Ideal solution – this stud and nut are reliable replacements for original parts that are missing or have failed due to wear
  • Durable construction – these parts are made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Felpro – Exhaust Manifold Gasket Set (Part No.MS 97264)

Exhaust Manifold Gasket Set

from

$74.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
  • Contains all gaskets and seals to remove and replace exhaust manifold
  • Contains all gaskets and seals to remove and replace exhaust manifold
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Victor Reinz – Exhaust Manifold Gasket Set (Part No.11-10639-01)

Exhaust Manifold Gasket Set

from

$96.99
As you would expect, extremely high temperatures are the sealing challenge for exhaust manifold gaskets. Victor Reinz has a long heritage of supplying manifold gaskets to original equipment vehicle manufacturers. Therefore, Victor Reinz exhaust manifold gaskets meet OE specifications on a wide range of vehicles, covering the most recent high-tech engine designs and going back decades to the muscle car era.

Product Features:
  • Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
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Ishino – Exhaust Manifold Gasket (Part No.A8111117483ISH)

Exhaust Manifold Gasket

from

$2.91
Exhaust Manifold Gasket

MAHLE Original – Exhaust Manifold Gasket Set (Part No.MS19426)

Exhaust Manifold Gasket Set

from

$59.99
MAHLE gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.

Product Features:
  • All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
  • MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
  • Exhaust manifold gasket set contains all gaskets required.
  • The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package
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Ishino – Exhaust Manifold Gasket (Part No.A8111117577ISH)

Exhaust Manifold Gasket

from

$16.78
Exhaust Manifold Gasket

MagnaFlow – OEM Grade Federal / EPA Compliant Universal Catalytic Converter (Part No.51204)

OEM Grade Federal / EPA Compliant Universal Catalytic Converter

from

$194.99
MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51204 helps keep the check engine light off. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design (cutting and welding is required). With highly corrosion resistant, stainless steel construction, you can have confidence in the quality of this catalytic converter. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with California or Federal/EPA Emission systems.

Product Features:
  • Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off.
  • Compact, lightweight construction enables installation in confined areas, welding is required.
  • Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
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MagnaFlow – California Grade CARB Compliant Universal Catalytic Converter (Part No.441305)

California Grade CARB Compliant Universal Catalytic Converter

from

$503.99
MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 441305 helps keep the check engine light off. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design (cutting and welding is required). With highly corrosion resistant, stainless steel construction, you can have confidence in the quality of this catalytic converter. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.

Product Features:
  • Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off.
  • Compact, lightweight construction enables installation in confined areas, welding is required.
  • Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
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MagnaFlow – California Grade CARB Compliant Universal Catalytic Converter (Part No.441306)

California Grade CARB Compliant Universal Catalytic Converter

from

$503.99
MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 441306 helps keep the check engine light off. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design (cutting and welding is required). With highly corrosion resistant, stainless steel construction, you can have confidence in the quality of this catalytic converter. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.

Product Features:
  • Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off.
  • Compact, lightweight construction enables installation in confined areas, welding is required.
  • Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
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Walker – CalCat Catalytic Converter- CARB Certified, Universal / Fabrication Needed (Part No.80401)

CalCat Catalytic Converter- CARB Certified, Universal / Fabrication Needed

from

$387.99
Designed, tested and validated for assured compliance to meet CARB standards, Walker CalCat Universal Catalytic Converters are available for OBDII (1996 and newer) and non-OBD (1995 and older) vehicles.

Product Features:
  • CARB COMPLIANT — For use on OBDII vehicles, 1996 and newer and non-OBD 1995 and older. Legal for sale in CA, CO, NY & other states requiring CARB-compliant replacement converters. Consult your state’s aftermarket converter regulations.
  • SUPERIOR TECHNOLOGY — Optimal high technology washcoat formulated to deliver superior performance (as compared to EPA-compliant converters)
  • CONSISTENT PERFORMANCE — Utilizes a precise OE-style coating process to apply catalyst material to the substrate, providing consistent performance for assured emissions compliance
  • DURABLE — Features stainless-steel body with aluminized pipe and heat shields for durability
  • FLEXIBLE SOLUTION — Customizable design features expandable bushings for easy fitment and may require specialized fabrication and/or welding for installation
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MagnaFlow – Standard Grade Federal / EPA Compliant Direct-Fit Catalytic Converter (Part No.23144)

Standard Grade Federal / EPA Compliant Direct-Fit Catalytic Converter

from

$259.99
MagnaFlow Standard Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 23144 helps keep the check engine light off. DIY installation is easy with the proper tools (no cutting or welding required). With features including mandrel-bent tubing to eliminate flow restrictions and stainless steel construction to resist corrosion, you can have confidence in the quality of this catalytic converter. Using state-of-the-art 3D scanning systems in the design process, the MagnaFlow metrology department ensures this new part to fit and function like the original equipment. This direct-fit catalytic converter is designed specifically for the 1990-1993 INFINITI Q45. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for pre-OBDII Federally registered vehicles.

Product Features:
  • Expertly crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency.
  • Simplifies installation with essential gaskets and hardware being included in the box.
  • Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
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Flowtech – Terminator; Exhaust Tips (Part No.59905FLT)

Terminator; Exhaust Tips

from

$85.99


Product Features:
  • Show Quality Chrome Platinum
  • Durable Black Finish
  • Can Be Welded Or Clamped
  • Complete The System
  • Glass-Packed Resonators
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Felpro – Exhaust Pipe Flange Gasket (Part No.60458)

Exhaust Pipe Flange Gasket

from

$4.49
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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Victor Reinz – Exhaust Pipe Flange Gasket (Part No.71-15132-00)

Exhaust Pipe Flange Gasket

from

$6.99
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.

Product Features:
  • Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
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Felpro – Exhaust Pipe Flange Gasket (Part No.60674)

Exhaust Pipe Flange Gasket

from

$4.79
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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Felpro – Exhaust Pipe Flange Gasket (Part No.61515)

Exhaust Pipe Flange Gasket

from

$8.49
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
See More

Felpro – Exhaust Pipe Flange Gasket (Part No.60308)

Exhaust Pipe Flange Gasket

from

$3.49
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
See More

MAHLE Original – CATALYTIC CONVERTER (Part No.F7480)

CATALYTIC CONVERTER

from

$5.79
MAHLE gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.

Product Features:
  • All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
  • MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
  • MAHLE gaskets is the leader in Domestic, Asian and European applications
  • The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package
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Nippon Reinz – Exhaust Gasket (Part No.H4000117282NRZ)

Exhaust Gasket

from

$8.36
NIPPON REINZ engineers work with OEMs to develop complete engine sealing solutions for gasoline, diesel, and alternative energy vehicles. We employ custom sealing solutions through our expert problem solving utilizing our regional research and development centers. As an Integral Partner with Virtually Every major vehicle and engine manufacturer worldwide, NIPPON REINZ offers a comprehensive range of sealing Innovative Systems, INCLUDING Head gaskets, Heat shields, sealing modules, secondary gaskets, Valve stem Seals, and transmission components.
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1991 Infiniti Q45 Exhaust Parts

You count on your 1991 Infiniti Q45 to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Exhaust Parts. With 14 Exhaust Parts ranging in price from $2.91 to $436.99, you’re sure to find everything you need for your 1991 Infiniti Q45.

Brands matter. If you want to shop a specific Exhaust Parts brand, we stock 7 different brands like Dorman, Magnaflow, and Flowtech. 1991 Infiniti Q45 Exhaust Parts start as low as $2.91!

One of the best ways to find top quality OEM or aftermarket Exhaust Parts is by asking professionals. Short of that, you can shop with confidence thanks to our 11 extensive product reviews on 1991 Infiniti Q45 Exhaust Parts.

Did we mention you can order your Exhaust Parts from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Exhaust Parts inventory for your 1991 Infiniti Q45 below to get started!

Top-Rated Exhaust Parts Brands For Your 1991 Infiniti Q45

Trusted Exhaust Parts OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 1991 Infiniti Q45 running right for years to come. In our inventory you’ll find brands like Dorman, Magnaflow, Flowtech, and even more.

Popular MagnaFlow Exhaust Parts

You’ll find popular MagnaFlow brand products across Catalytic Converters. All are waiting to get your 1991 Infiniti Q45 back on the road. Some of the top-rated MagnaFlow products in these categories are:

Top-Rated Exhaust Parts


If are what you’re looking for, our inventory holds plenty. We stock brand Exhaust Parts for your 1991 Infiniti Q45, and some of our most reviewed parts include:
Terminator; Exhaust Tips
from $85.99
(5)
Terminator; Exhaust Tips
Exhaust Chrome and Stainless Tips

FAQs for 1991 Infiniti Q45 Exhaust Parts

What are the most purchased Exhaust Parts for the 1991 Infiniti Q45?

Out of 14 Exhaust Parts for the 1991 Infiniti Q45, the most popular in our inventory are:
Double Ended Stud - M10-1.50 x 27mm and M10-1.50 x 12mm
from $6.29
(2)
Double Ended Stud – M10-1.50 x 27mm and M10-1.50 x 12mm
Exhaust Hangers and Hardware
Catalytic Converter- EPA Standard, Direct Replacement, No Fabrication Needed
from $102.99
This product is not rated
Catalytic Converter- EPA Standard, Direct Replacement, No Fabrication Needed
Catalytic Converters
Exhaust Pipe Flange Gasket
from $3.49
This product is not rated
Exhaust Pipe Flange Gasket
Exhaust Pipe and Flange Gaskets