Best Flowmaster Performance Cat Back Exhaust Systems in 2026

Daisy
Last Updated: Feb 5, 2026

Summary of the Best Flowmaster Performance Cat Back Exhaust Systems of 2026

Market Overview
Flowmaster Performance Cat Back Exhaust Systems Reviewed
  • Reviews Analyzed: 1070 Items
  • PM Avg. Rating: 4.8 / 10
54 Products Evaluated
  • Highest Price: $1,129.95
  • Lowest Price: $357.01
  • Avg. Price: $701.08

Flowmaster 817689 Outlaw Stainless Steel Aggressive Sound Cat-Back Exhaust System

FLOWMASTER
817689
0.00 X 0.00 X 0.00 Inches
65.80 pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Stainless Steel Construction

Super Aggressive Sound

Black and Ceramic Tips

Lifetime Limited Warranty

New Flowmaster Flowfx Cat-Back Exhaust System,2.5" Tubes,3.5" Black Ceramic Tips,Compatible With 2007-2014 T𐐬y𐐬ta Fj Cruiser 4.0L

SOUTHWEST SPEED
FLM-717433
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
RD Parts 9.78

Features

Brand New Flowmaster FlowFX Cat-Back Exhaust System, 2.5" Tubes, 3.5" Black Ceramic Tips, Compatible with 2007-2014 T𐐬y𐐬ta FJ Cruiser 4.0L (Holley Part #717433)

The new Flowmaster FlowFX cat-back exhaust system is manufactured using durable 409 stainless steel throughout & features 2.5" mandrel bent pipes for better exhaust gas flow & FlowFX "straight-through" muffler for great sound & max performance. The system is finished off with a 3.5" diameter black ceramic-coated 304S stainless steel tip. The system uses all the existing factory hanger locations & includes install instructions & all necessary hardware.

Features: Produces moderate rumble with minimal interior resonance | Includes a large 3.5" black ceramic coated tip for an aggressive look | FlowFX "straight through" performance muffler delivers deep performance tone & improves exhaust flow | Increases of up to 4 HP & 5 FT/LB over the stock exhaust | Includes complete hardware & factory styled hangers in stock location | 2.5" Mandrel bent 16 gauge 409 stainless steel tubing maximizes exhaust flow & improved durability

Specs: Exhaust Series: FlowFX | Exit Position: Single Out Rear | Heat Shield: No | Mount Type Uses: Factory Hangers | Muffler Body Length: 14" | Muffler Color: Brushed Natural | Muffler Inlet Diameter: 2.5" | Muffler Inlet Location: Centered | Muffler Material: 409S Stainless Steel | Muffler Outlet Diameter: 2.5" | Muffler Outlet Location: Centered | Muffler Overall Length: 20" | Muffler Quantity: 1 | Muffler Series: FlowFX | Muffler Shape: Round | Muffler Type: Absorption

Single/Dual: Single | Sound Level: Moderate | System Type: Cat-back | Tip Cut: Angle | Tip Diameter: 3.5" | Tip Edge Style: Rolled | Tip Finish: Black Ceramic | Tip Length: 7.5" | Tip Material: 304 Stainless | Tip Quantity: 1 | Tip Shape: Round | Tip Style: Single Wall | Tubing Diameter: 2.5" | Tubing Material: 409S Stainless Steel

Top 10 performance cat back exhaust systems flowmaster Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
Flowmaster 50
Southwest Speed 4

Top 10 performance cat back exhaust systems flowmaster Brands Pie Chart


We've carried out a comprehensive analysis of 1,070 reviews on performance cat back exhaust systems flowmaster, using our selection criteria to identify the best options in the automotive replacement parts. Our findings reveal that most customers typically select performance cat back exhaust systems flowmaster priced around $701.08, with top brands including and upower and flowmaster

Our team of expert editors reviewed these high-quality items and handpicked the top 2 performance cat back exhaust systems flowmaster for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the automotive replacement parts category. These include partssquare, amazon.com, kart it, hinson motorsports, outdoorsy!, premium performance products, llc (buyp3.com) and juiced accessories and holley performance product .

We are dedicated to assisting our users in finding the right systems Products based on their needs, saving them considerable time when choosing which performance cat back exhaust systems flowmaster to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.