Top 10 Best Catback For Sti Based On Customer Ratings

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1. BORLA 140595 S-Type Cat-Back Exhaust System

BORLA 140595 S-Type Cat-Back Exhaust SystemBuy On Amazon
  • Product type :AUTO PART
  • country of origin :United States
  • Package dimensions :26.67 cm L x71.12 cm W x111.76 cm H
  • package weight :48.0lbs

2. Invidia (HS15STIGTP) N1 Stainless Steel Tip Dual Cat-Back Exhaust System for Subaru WRX/STI

Invidia (HS15STIGTP) N1 Stainless Steel Tip Dual Cat-Back Exhaust System for Subaru WRX/STIBuy On Amazon
  • Fits 2015-Up Subaru WRX/STI 4 Door
  • Pipe size: 76mm (3″), Tip size: 101mm (4″)
  • Constructed with high-quality SUS304 stainless steel, CNC-machined flanges, and manufactured with a polished finish
  • Mandrel-bent stainless steel piping for maximum exhaust flow and reduced back pressure
  • Twin outlet, single layer Stainless Steel tips

3. Invidia (HS08STIGTT) N1 Twin Outlet Single Layer Cat-Back Exhaust System with Titanium Tip for Subaru STI 5-Door

Invidia (HS08STIGTT) N1 Twin Outlet Single Layer Cat-Back Exhaust System with Titanium Tip for Subaru STI 5-DoorBuy On Amazon
  • Package Dimensions: 30.733 H x 112.014 L x 68.834 W (centimeters)
  • Package Weight: 48.149 pounds
  • Piping diameter: 76 millimeter
  • Package dimensions:44.0″ (L) x 28.0″ (W) x 12.0″ (H)

4. 4.5 Inches Muffler Tip Catback Exhaust System Compatible with Subaru Impreza WRX STI 15-17

4.5 Inches Muffler Tip Catback Exhaust System Compatible with Subaru Impreza WRX STI 15-17Buy On Amazon
  • ▶️ Made of High Quality T-304 Stainless Steel with Computerized Mandrel-Bends for Strength and Durability
  • ▶️ TIG welded CNC Machine Flange for Resistance Against Pressure and Corrosion; 3″ OD Inlet / 3″ OD Main piping
  • ▶️ 4.5″ OD Round Muffler Tip; Removable Silencer Included
  • ▶️ Aggressive Deep and Smooth Tone Sound while Ensures Smooth Exhaust Gas Flow; Increase Engine Output and Efficiency
  • ▶️ Dyno Proven to Instantly Increases 15 to 25 Horsepower or Low End Torque; N1 Style Muffler; Straight Through Exhaust Flow

5. Fit 2002-2007 Subaru Impreza (WRX/STI Only) 3 Inch Stainless Steel Catback Exhaust System 4.5 Inch Muffler Burned Tip

Fit 2002-2007 Subaru Impreza (WRX/STI Only) 3 Inch Stainless Steel Catback Exhaust System 4.5 Inch Muffler Burned TipBuy On Amazon
  • Fit 2002-2007 Subaru Impreza (WRX/ STI Only)
  • Please remember to check all current exhaust rubber bushings to makes sure they are still able to be reused before installing
  • Tip Diameter: 4.5 Inch , Piping Diameter: 3 inch
  • SUS-304 Stainless Made Steel with Polish Finish
  • No Installation Guides Included

6. Invidia (HS15STIG3T) Q300 Rolled Titanium Quad Tip Cat-Back Exhaust System for Subaru WRX/STI

Invidia (HS15STIG3T) Q300 Rolled Titanium Quad Tip Cat-Back Exhaust System for Subaru WRX/STIBuy On Amazon
  • Fits 2015-Up Subaru WRX/STI 4 Door
  • Pipe size: 76mm (3″), Tip size: 110mm (4.3″)
  • Constructed with high-quality SUS304 stainless steel, CNC-machined flanges, Robot TIG welding and double wall tips
  • Flat bottom shaped muffler design results in improved high speed aerodynamic performance, providing greater horsepower, torque gains and a rich, deep, sporty sound
  • Rolled, Titanium Quad tips

7. Invidia HS02SW1GRT Titanium Single Layer Racing Cat-Back Exhaust System for Subaru WRX STI

Invidia HS02SW1GRT Titanium Single Layer Racing Cat-Back Exhaust System for Subaru WRX STIBuy On Amazon
  • 2002-2007 Subaru WRX/STI Racing Single Layer Titanium Cat-Back Exhaust
  • Piping diameter: 76 millimeter
  • Tip size: 101 millimeter

8. Invidia (HS15STIGTT) N1 Titanium Burnt Tip Dual Cat-Back Exhaust System for Subaru WRX/STI

Invidia (HS15STIGTT) N1 Titanium Burnt Tip Dual Cat-Back Exhaust System for Subaru WRX/STIBuy On Amazon
  • Fits 2015-Up Subaru WRX/STI 4 Door
  • Pipe size: 76mm (3″), Tip size: 101mm (4″)
  • Constructed with high-quality SUS304 stainless steel, CNC-machined flanges, and manufactured with a polished finish
  • Mandrel-bent stainless steel piping for maximum exhaust flow and reduced back pressure
  • Twin outlet, single layer burnt Titanium tips

9. Spec-D Tuning S/S Quad Burnt Tip Catback Exhaust System Compatible with Subaru Impreza WRX Sti Sedan 2008-2014

Spec-D Tuning S/S Quad Burnt Tip Catback Exhaust System Compatible with Subaru Impreza WRX Sti Sedan 2008-2014Buy On Amazon
  • ✔️ All of Our Items are 100% In Original Packaging! You Will Never Receive a Used Item From Us!
  • ✔️ Items are Exactly the Same as Shown in the Images! You Will Receive the Exact Item You Purchased!
  • ✔️ Installation Made Easy on All of Our Items! Little to No Modifications needed at Best!
  • ✔️ 30 Days Refund & 90 Days Defective Item Replacement Warranty! Any Issues With Your Item Please Call/Email Us and We Will Help You!
  • ✔️ FITMENT: Compatible with Subaru Impreza WRX/STI sedan 2008-2014 models only.

10. Spec-D Tuning 2.5″ S/S Quad Tip Catback Exhaust System Compatible with Subaru Impreza WRX Sti Sedan 2008-2014

Spec-D Tuning 2.5Buy On Amazon
  • ✔️ All of Our Items are 100% In Original Packaging! You Will Never Receive a Used Item From Us!
  • ✔️ Items are Exactly the Same as Shown in the Images! You Will Receive the Exact Item You Purchased!
  • ✔️ Installation Made Easy on All of Our Items! Little to No Modifications needed at Best!
  • ✔️ 30 Days Refund & 90 Days Defective Item Replacement Warranty! Any Issues With Your Item Please Call/Email Us and We Will Help You!
  • ✔️ FITMENT: Compatible with Subaru Impreza WRX/STI sedan 2008-2014 models only.

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