Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster
APEXi RS Evolution Muffler Exhaust Systems for 2022-2026 WRX - 113-KF01
Part Number: APX-113-KF01
APEXi RS Evolution Muffler Exhaust Systems
Exhaust System, RS Evolution Extreme, Axle Back, Dual In/Four Out, Stainless Steel, Natural, Split Rear Exit, Titanium Burnt Tips, Subaru, Kit
See More Specifications
|
Check the Fit
Estimated Ship Date: Dec 29, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
113-KF01
Part Type:
Product Line:
Summit Racing Part Number:
APX-113-KF01
System Material:
304 stainless steel
System Style:
Rear axle-back
Exhaust Type:
Single in/Four out
Exit Location:
Split rear
System Finish:
Natural
Catalytic Converter(s) Included:
No
Muffler Included:
Yes
Muffler Quantity:
Two
Muffler Configuration:
Single inlet/Quad outlet
Muffler Material:
304 stainless steel
Muffler Color:
Polished
Hardware Included:
Yes
Tailpipe Diameter (in.):
2.38 in.
Tip Included:
Yes
Tip Outlet Size (in.):
3.66
Tip Quantity:
4
Tip Shape:
Round
Tip Cut:
Slant
Tip Edge Style:
Rolled edge, double-wall
Tip Material:
Titanium
Tip Color:
Burnt
Remanufactured:
No
Quantity:
Sold as a kit.
Notes:
Do not use harsh chemicals or metal polish cleaners when cleaning titanium tips. We recommend using standard isopropyl alcohol.
APEXi RS Evolution Muffler Exhaust Systems
APEXi RS Evolution muffler is a hybrid exhaust uniting the power and free-flowing characteristics of the N1 muffler with the quiet and discreet sound output of Hybrid Megaphone Evolution mufflers. These systems feature the combination of an APEXi original patented megaphone piping structure design and larger piping diameters—to produce ultimate performance for your turbocharged engine. Order the model recommended for your vehicle.
Additional details:
* High level of quality using TIG-welded SUS304 stainless steel, uniting quiet performance with high-power performance gains
* Matched and manufactured for select chassis
* Patented Megaphone piping structure to produce excellent torque and throttle response throughout the powerband. This piping design allows for a swirling exhaust gas flow effect that has for years produced proven results
* APEXi logo stamped exhaust tip
Applications
Loading...
Loading...
Questions & Answers
Ask a Question
What type of question would you like to submit?
I have a Customer Service question
(order, shipping, returns, protection plans, etc.). Customer Service Question
(order, shipping, returns, protection plans, etc.). Customer Service Question
- OR -
I would like to ask other customers
a question about this Product. Product Related Question
a question about this Product. Product Related Question
Loading...
Reviews Write a Review
Some parts are not legal for use in California or other states with similar laws / regulations
Modal Header
Call To Order
This is a custom order part. You can order this part by Contacting Us.
Email this page
