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Flowmaster Outlaw Extreme Cat-Back Exhaust System 817706

Flowmaster Outlaw Extreme Cat-Back Exhaust System 817706
Flowmaster Outlaw Extreme Cat-Back Exhaust System 817706Flowmaster Outlaw Extreme Cat-Back Exhaust System 817706Flowmaster Outlaw Extreme Cat-Back Exhaust System 817706
$626.99 ea
NEWARRIVING SOONEstimated Ship Date 05/21/2025 (If Ordered Today)6 Available from HOLLEY PERFORMANCE PRODUCTS as of 04/30/2025
Model: 4005420
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
OVERSIZE 2
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Flowmaster introduces their new Outlaw Extreme Cat-back system for the 2009-2013 Chevrolet Silverado & GMC Sierra 1500 trucks with the 5.3L engine. These kits deliver the ultimate sound in aggressive exhaust systems by using a race-proven 3.00-inch stainless steel Outlaw muffler with a 3.00-inch dump style turn down exit with no tailpipes. As an Outlaw extreme system, this will deliver a very aggressive sound and tone both outside and inside the truck. The stainless steel system is covered by our Lifetime Limited Warranty and includes all of the necessary parts and hardware for an easy installation you can do at home. This system fits both 2/4 wheel drive Extended Cab and Crew Cab models only with 143.5 and 157.5-inch wheelbases.
Features:
  • Extreme Sound for Extreme Lifestyles
  • Stainless Steel Construction
  • Flowmaster Reliability
  • Race Proven Outlaw Muffler Technology
2009-2013 Chevrolet Silverado & GMC Sierra 1500 trucks with the 5.3L engine with 143.5 and 157.5-inch wheelbases.
Installation Notes:
2009-2013 Chevrolet Silverado & GMC Sierra 1500 trucks with the 5.3L engine with 143.5 and 157.5-inch wheelbases.
About Flowmaster

Manufacturer of performance exhaust systems, mufflers, performance air intakes, turbo boost modules, catalytic converters, race mufflers, headers and numerous exhaust accessories for late model cars, trucks, off-road, Jeeps, SUV’s, classic muscle cars, powersports vehicles and more. Flowmaster® gives you lots of exhaust choices with 12 designs of chambered mufflers, 3 styles of our exclusive “laminar-flow” mufflers and a new line of FlowFX “straight-through” performance mufflers, along with 5 sound categories of exhaust systems, giving you the customer, the power to custom tailor the sound of your vehicle whether you prefer mild, moderate or aggressive tones and sound levels. Since 1983, Flowmaster is the company you can trust, and has led the industry in offering only the best products you can buy for your vehicles.

Downloads:

Download Name File Size
fm_warranty_general.pdf88.58KB
817706.pdf239.15KB

Videos:

Vehicle Fitment:

The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
Make Model Years Engine
Chevrolet Silverado 1500 2009 5.3L / 325 / V8
Chevrolet Silverado 1500 2010 5.3L / 325 / V8
Chevrolet Silverado 1500 2011 5.3L / 325 / V8
Chevrolet Silverado 1500 2012 5.3L / 325 / V8
Chevrolet Silverado 1500 2013 5.3L / 325 / V8
GMC Sierra 1500 2009 5.3L / 325 / V8
GMC Sierra 1500 2010 5.3L / 325 / V8
GMC Sierra 1500 2011 5.3L / 325 / V8
GMC Sierra 1500 2012 5.3L / 325 / V8
GMC Sierra 1500 2013 5.3L / 325 / V8

Specifications:

2WD/4WD RWD/4WD
California Proposition 65 Chemical Name Chromium (hexavalent compounds), Nickel (Metallic)
California Proposition 65 Required Yes
Catalytic Converter Included No
Color Black
Emission Code 5
Exhaust Series Outlaw Extreme
Exit Position Single Out - Dump
Heat Shield No
Inlet Diameter (in) 3
Material 409 Stainless Steel
Mount Type Uses Factory Hangers
Muffler Part Number Kit Only
Muffler Quantity 1
Muffler Series Outlaw
Muffler Type Welded Baffle
Outlet Diameter (in) 3
Part Type Exhaust System Kit
Product Type Exhaust System
Proposition 65 www.P65Warnings.ca.gov
Shape Round
Single Dual Single
Sound Level Aggressive
System Type Cat-back
Tip Cut Square
Tip Diameter (in) 3
Tip Edge Style Cut
Tip Finish Natural
Tip Length (in) 12
Tip Logo None
Tip Material 409 Stainless Steel
Tip Quantity 1
Tip Shape Round
Tubing Diameter (in) 3
Warranty Limited Lifetime (Lifetime)

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