MAPerformance Catback Exhaust System | 2015-2021 Subaru WRX/STI (WRX-4G-CB-REV2)

MAPerformance Catback Exhaust System | 2015-2021 Subaru WRX/STI (WRX-4G-CB-REV2)

The MAPerformance WRX-4G-CB-REV2 catback takes the place of the factory exhaust on 2015-2021 Subaru WRX and WRX STI models. It is built from mandrel-bent 304 stainless steel tubing with twin mufflers and twin resonators, TIG welded and made in the USA. The goal is a freer-flowing system with more sound than the stock unit.

Key features

• Mandrel-bent 3" and 2.5" 304 stainless steel tubing
• Dual staggered 3.5" double-wall 304 stainless tips (clamp-on)
• Twin polished 304 stainless mufflers
• Twin 304 stainless resonators
• TIG welded construction
• Made in the USA

What's included

• Catback front section
• Catback rear section
• Installation hardware and clamps

Before you order

This catback fits the 2015-2021 Subaru WRX and 2015-2021 WRX STI. It does not fit vehicles with the SPT exhaust. Current systems ship with clamp-on tips, so some product photos showing welded tips are out of date. All clamps and hardware come in the box. Send us your year, model and current setup and we will confirm fitment before you order.

Find more car parts.

See also: resonator vs muffler · WRX exhaust guide · exhaust drone: causes and fixes · all MAPerformance products · axle-back vs cat-back exhaust · all cat-back exhaust systems · Subaru WRX and STI parts.

Shipping and returns

Shipping is a flat $80.00 per order to US addresses, and returns are free within 15 days of delivery. Questions before you order? Ask a parts specialist.