In a market full of cat - back exhaust options, our aim was to craft a high - quality system with a unique and refined sound. We call it the 'gentleman's cat - back' in our shop. Our goal was also to make a single system that fits as many models as possible. Thanks to a special hanger design and a set of four custom polyurethane hangers in each kit, it fits all 2011 - present EJ and FA20DIT WRX and STI sedans.
**Part #: 070033**
**Quick Specs**
- **Custom dual outlet mufflers**: Dual perforated tubes give a quieter, more refined tone.
- **Quad 3.5' double - wall, angle - cut tips**: Our most popular configuration.
- **Resonated or Un - resonated options**: You choose. We suggest resonated for the FA20DIT and un - resonated for the EJ.
- **304 Stainless Steel construction**: Made of genuine American 304SS to endure the elements.
- **1/2in thick flanges**: All 7 flanges are laser - cut from 1/2in thick stainless plate for perfect sealing, easy install, and high durability.
- **Flex section**: Prevents damage to the exhaust or turbo by allowing relative movement between the motor and mufflers.
- **Custom polyurethane hangers**: Keep the exhaust in place, eliminating rattles and bumper issues.
- **TIG welded**: Hand - welded near the design office, justifying our Lifetime Warranty.
- **GrimmSpeed Lifetime Warranty**: We stand 100% behind our products and customers.
**Why GrimmSpeed**
Our engineering and manufacturing teams are famous for using high - quality materials, ensuring perfect fit, superior craftsmanship, and durability. If you're tired of rattling, low - hanging tips, loud exhaust, or rusting materials, we have the answer. Beyond the product and its Lifetime Warranty, our customer service team is ready to assist.
**Fitment**
- 2011+ Subaru WRX Sedan
- 2011+ Subaru STI Sedan
**Included Components**
- 2x Muffler Section
- 1x Y - Pipe
- 1x Resonated Midpipe
- 4x Two - position Poly Exhaust Hangers
- ALL Gaskets and Hardware
- 2x GrimmSpeed License Plate Frame
- 1x GrimmSpeed Decal
**Note**: If you're using a stock j pipe or downpipe, the GrimmSpeed Subaru Stock DP to Aftermarket 3 in. Catback Adapter p/n 077046 is required.
Using Your GrimmSpeed Cat Back Exhaust: First, gather all the included components and make sure you have the necessary tools. If you're using a stock j pipe or downpipe, don't forget to get the GrimmSpeed Subaru Stock DP to Aftermarket 3 in. Catback Adapter p/n 077046. Installation is straightforward as the flanges are designed for easy fit and the custom polyurethane hangers will keep the exhaust in place. The TIG - welded construction ensures a long - lasting and reliable installation.
Note: Check for any rattles after installation. If you notice any, adjust the hangers. Also, be careful when working around the exhaust as it can get very hot.
Maintenance: Regularly inspect the exhaust for any signs of damage or rust. The 304 stainless steel construction is durable, but it's still a good idea to clean it occasionally with a mild soap and water. This will help keep it looking great and performing well for years to come.
