Flowmaster 817428 Cat-back System 409S - Dual Rear/Side Exit - American Thunder - Moderate Sound
Flowmaster 817428 Cat-back System 409S - Dual Rear/Side Exit - American Thunder - Moderate Sound
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Flowmaster 817428 Cat-back System 409S - Dual Rear/Side Exit - American Thunder - Moderate Sound

3 stars out of 1 review
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Key item features

  • System Overview: This Cat-back exhaust system features a dual rear/side exit design, connecting after the factory catalytic converter for a complete exhaust upgrade.
  • Sound Profile: Delivers a moderate to aggressive exterior exhaust tone and a moderate interior tone, appealing to enthusiasts seeking an audible rumble.
  • Material Construction: Constructed from mandrel-bent 16-gauge 409S stainless steel tubing, ensuring durability and optimal exhaust flow.
  • Muffler Type: Incorporates a Super 40 Series performance muffler, contributing to the system's distinctive sound and performance characteristics.
  • Vehicle Fitment: Specifically designed for 1999-2006 GM Silverado and Sierra 1/2 Ton trucks with 4.8L or 5.3L engines, single flanged catalytic converter, and extended cab/short bed configurations.
  • Installation Ease: Engineered for easy installation, utilizing factory hanger locations and including all necessary hangers and hardware.
  • Performance Benefits: Designed to provide improved throttle response, enhanced power, and better mileage for compatible vehicles.
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Current price is $1,126.95
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Flowmaster 817428 Cat-back System 409S - Dual Rear/Side Exit - American Thunder - Moderate Sound
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current price $1,126.95
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Flowmaster 17424 Cat-back Exhaust System American Thunder Fits 2006-08 Dodge Ram
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Comparison Chart:
Vehicle makeChevroletFlowmaster 817428 Cat-back System 409S - Dual Rear/Side Exit - American Thunder - Moderate SoundGMFlowmaster 818167 American Thunder Cat-Back Exhaust System-Flowmaster 818177 Outlaw Extreme Cat-Back System EXHAUST SYSTEMChevyFlowmaster 717927 Flow FX Cat-Back Exhaust System for Chevy and GMC 6.6-Flowmaster 818192 Outlaw Extreme Cat Back System EXHAUST SYSTEMChevroletFlowmaster 17153 Cat-back System - Dual Rear Exit - Force II - Mild SoundFordFlowmaster 17215 Cat-back System - Dual Rear Exit - American Thunder - Moderate SoundDodgeFlowmaster 17424 Cat-back Exhaust System American Thunder Fits 2006-08 Dodge RamToyotaFlowmaster 817960 Outlaw Extreme Hi Clearance Cat-Back Exhaust 3.0" 409 StainlessChevroletFlowmaster 17435 Cat-back Exhaust Kit American Thunder 99-06 Chev/GMC C/K 1500
Vehicle model817428Flowmaster 817428 Cat-back System 409S - Dual Rear/Side Exit - American Thunder - Moderate SoundCOLORADOFlowmaster 818167 American Thunder Cat-Back Exhaust System-Flowmaster 818177 Outlaw Extreme Cat-Back System EXHAUST SYSTEM2500HDFlowmaster 717927 Flow FX Cat-Back Exhaust System for Chevy and GMC 6.6818192Flowmaster 818192 Outlaw Extreme Cat Back System EXHAUST SYSTEMCorvetteFlowmaster 17153 Cat-back System - Dual Rear Exit - Force II - Mild Sound17215Flowmaster 17215 Cat-back System - Dual Rear Exit - American Thunder - Moderate Sound17424Flowmaster 17424 Cat-back Exhaust System American Thunder Fits 2006-08 Dodge RamTacomaFlowmaster 817960 Outlaw Extreme Hi Clearance Cat-Back Exhaust 3.0" 409 Stainless17435Flowmaster 17435 Cat-back Exhaust Kit American Thunder 99-06 Chev/GMC C/K 1500
Vehicle year1999Flowmaster 817428 Cat-back System 409S - Dual Rear/Side Exit - American Thunder - Moderate Sound-Flowmaster 818167 American Thunder Cat-Back Exhaust System-Flowmaster 818177 Outlaw Extreme Cat-Back System EXHAUST SYSTEM2020Flowmaster 717927 Flow FX Cat-Back Exhaust System for Chevy and GMC 6.6-Flowmaster 818192 Outlaw Extreme Cat Back System EXHAUST SYSTEM-Flowmaster 17153 Cat-back System - Dual Rear Exit - Force II - Mild Sound1998Flowmaster 17215 Cat-back System - Dual Rear Exit - American Thunder - Moderate Sound2006Flowmaster 17424 Cat-back Exhaust System American Thunder Fits 2006-08 Dodge Ram2005Flowmaster 817960 Outlaw Extreme Hi Clearance Cat-Back Exhaust 3.0" 409 Stainless1999Flowmaster 17435 Cat-back Exhaust Kit American Thunder 99-06 Chev/GMC C/K 1500
Inlet diameter3.00Flowmaster 817428 Cat-back System 409S - Dual Rear/Side Exit - American Thunder - Moderate Sound2.50 inFlowmaster 818167 American Thunder Cat-Back Exhaust System3 inFlowmaster 818177 Outlaw Extreme Cat-Back System EXHAUST SYSTEM3.50 inFlowmaster 717927 Flow FX Cat-Back Exhaust System for Chevy and GMC 6.6-Flowmaster 818192 Outlaw Extreme Cat Back System EXHAUST SYSTEM2.50 inFlowmaster 17153 Cat-back System - Dual Rear Exit - Force II - Mild Sound2.50 inFlowmaster 17215 Cat-back System - Dual Rear Exit - American Thunder - Moderate Sound3.00Flowmaster 17424 Cat-back Exhaust System American Thunder Fits 2006-08 Dodge Ram3 inFlowmaster 817960 Outlaw Extreme Hi Clearance Cat-Back Exhaust 3.0" 409 Stainless2.50 inFlowmaster 17435 Cat-back Exhaust Kit American Thunder 99-06 Chev/GMC C/K 1500
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3 out of 5 stars
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Nov 3, 2014
Plumberwiz
3 out of 5 stars review

It was what I was looking for

Product did not fit like it was supposed to if I did have a welder to modify this it would not fit the truck as we were told it would.

Review from jegs.com
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