Flowmaster 817645 Cat-back System 409S - DOR - Outlaw Kit - Aggressive Sound
Flowmaster 817645 Cat-back System 409S - DOR - Outlaw Kit - Aggressive Sound
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Flowmaster 817645 Cat-back System 409S - DOR - Outlaw Kit - Aggressive Sound

5 stars out of 1 review
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Key item features

  • Aggressive Sounding: This Flowmaster Outlaw Cat-back exhaust system delivers a very aggressive exterior sound when accelerating, while maintaining a moderate tone during cruising.
  • Optimized Performance: Features an exclusive Scavenger X-pipe and dyno tuning for maximum horsepower and torque, enhancing engine performance.
  • Durable Construction: Constructed from 409S stainless steel tubing, ensuring longevity and resistance to corrosion.
  • Precise Fitment: Designed for 2009-2014 Dodge Challenger R/T models with the 5.7L Hemi engine, utilizing factory hanger locations for straightforward installation.
  • Mandrel-bent Tubing: Incorporates large 3.00-inch mandrel-bent dual exhaust tubing for optimal exhaust flow.
  • Polished Tips: Finished with quad 3.50-inch polished 304 stainless steel embossed tips for a muscular aesthetic.
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Current price is $1,449.95
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4.4071428571428575 stars out of 5, based on 280 seller reviews(4.4)
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Flowmaster 817645 Cat-back System 409S - DOR - Outlaw Kit - Aggressive Sound
Flowmaster 817645 Cat-back System 409S - DOR - Outlaw Kit - Aggressive Sound
current price $1,449.95
Flowmaster 817645 Cat-back System 409S - DOR - Outlaw Kit - Aggressive Sound
5 out of 5 Stars. 1 reviews
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Comparison Chart:
Vehicle makeDodgeFlowmaster 817645 Cat-back System 409S - DOR - Outlaw Kit - Aggressive SoundChevroletFlowmaster 718207 Flow FX Cat-Back Exhaust System for Chevrolet, GMC (6.2)GMFlowmaster 818167 American Thunder Cat-Back Exhaust System-Flowmaster 818177 Outlaw Extreme Cat-Back System EXHAUST SYSTEMChevroletFlowmaster 738207 Signature Series Cat-Back Exhaust System for Chevrolet, GMC (6.2)RAMFlowmaster 818197 Outlaw Cat-Back Exhaust SystemRAMFlowmaster 718198 FlowFX Cat-Back System EXHAUST SYSTEMJeepFlowmaster 717912 Flowmaster FlowFX Cat-Back Exhaust SystemChevyFlowmaster 717927 Flow FX Cat-Back Exhaust System for Chevy and GMC 6.6-Flowmaster 818199 American Thunder Cat Back System EXHAUST SYSTEM
Vehicle model817645Flowmaster 817645 Cat-back System 409S - DOR - Outlaw Kit - Aggressive SoundSilveradoFlowmaster 718207 Flow FX Cat-Back Exhaust System for Chevrolet, GMC (6.2)COLORADOFlowmaster 818167 American Thunder Cat-Back Exhaust System-Flowmaster 818177 Outlaw Extreme Cat-Back System EXHAUST SYSTEM-Flowmaster 738207 Signature Series Cat-Back Exhaust System for Chevrolet, GMC (6.2)1500Flowmaster 818197 Outlaw Cat-Back Exhaust System1500Flowmaster 718198 FlowFX Cat-Back System EXHAUST SYSTEMGladiatorFlowmaster 717912 Flowmaster FlowFX Cat-Back Exhaust System2500HDFlowmaster 717927 Flow FX Cat-Back Exhaust System for Chevy and GMC 6.6-Flowmaster 818199 American Thunder Cat Back System EXHAUST SYSTEM
Vehicle year2009Flowmaster 817645 Cat-back System 409S - DOR - Outlaw Kit - Aggressive Sound2024Flowmaster 718207 Flow FX Cat-Back Exhaust System for Chevrolet, GMC (6.2)-Flowmaster 818167 American Thunder Cat-Back Exhaust System-Flowmaster 818177 Outlaw Extreme Cat-Back System EXHAUST SYSTEM2024Flowmaster 738207 Signature Series Cat-Back Exhaust System for Chevrolet, GMC (6.2)2025Flowmaster 818197 Outlaw Cat-Back Exhaust System2025Flowmaster 718198 FlowFX Cat-Back System EXHAUST SYSTEM2020Flowmaster 717912 Flowmaster FlowFX Cat-Back Exhaust System2020Flowmaster 717927 Flow FX Cat-Back Exhaust System for Chevy and GMC 6.6-Flowmaster 818199 American Thunder Cat Back System EXHAUST SYSTEM
Inlet diameter3.00 inFlowmaster 817645 Cat-back System 409S - DOR - Outlaw Kit - Aggressive Sound3.50 inFlowmaster 718207 Flow FX Cat-Back Exhaust System for Chevrolet, GMC (6.2)-Flowmaster 818167 American Thunder Cat-Back Exhaust System-Flowmaster 818177 Outlaw Extreme Cat-Back System EXHAUST SYSTEM3.50 inFlowmaster 738207 Signature Series Cat-Back Exhaust System for Chevrolet, GMC (6.2)-Flowmaster 818197 Outlaw Cat-Back Exhaust System3 inFlowmaster 718198 FlowFX Cat-Back System EXHAUST SYSTEM3 inFlowmaster 717912 Flowmaster FlowFX Cat-Back Exhaust System3.50 inFlowmaster 717927 Flow FX Cat-Back Exhaust System for Chevy and GMC 6.63.00Flowmaster 818199 American Thunder Cat Back System EXHAUST SYSTEM
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Showing 1-1 of 1 review

Mar 6, 2017
Lamigra32
5 out of 5 stars review

Loud!!!

This is a really nice system that fit my challenger really good but it'd the loudest cat back I've ever heard. I ended up replacing the bullet mufflers with flowmaster original 40's 3" offset in center out they fit good and sound awesome. I also have jba long tube headers and off road mid pipes I think that helps.

Review from jegs.com
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