R400 tuned muffler exhaust systems offer a rich exhaust note which enhances the natural tone of your car's engine. The item's high flow design ensures efficient exhaust flow for optimum engine performance.
Specifically designed to fill the sound gap between the Q300 and N1 system. The R400 produces a unique, aggressive note without any harsh cabin noise (particularly at highway speeds).
Stainless Catback Muffler Exhaust System
Made of High Quality T-304 Stainless Steel with Computerized Mandrel-Bends for Strength and Durability
Power increase :17hp
Torque Increase:26ft-lb
76mm diameter, 1.5mm thick mandrel bent SS304 Stainless Steel piping - greatly reduces the risk of cracks and breaks developing, reduces rasp and vibration.
Tuned mufflers - Optimized sound and exhaust flow
Cast flanges - optimum fitment and durability
Machine welded - Fantastic appearance and uniform strength
QUAD Straight cut Titanium colored Tips
Exhaust System Type: Cat-Back
Exhaust Tubing Material: Stainless Steel
Main Tubing Diameter: 3.15"
Exhaust System Sound: Moderate
Tip Quantity: 4
Tip Material: Stainless Steel
Tip Outlet Diameter: 4"
Tip Style: Single Layer
Made to boost the performance of your vehicle
Expertly crafted from premium materials
Easy Installation
Professional installation is highly recommended
Package including:
1 X Cat Back Exhaust System
Hardwares such as Gaskets and Bolts as Shown in the Picture Above
Fitment:
Fits all trim levels 2015-19 WRX and STI
For Exact Years and Models, Please Check Compatibilities