HKS Racing Muffler USDM rear+center pipe Subaru Impreza GRB/GRF

The HKS Racing Muffler exhaust is the top of the line system and constructed with the highest quality standards. The system features 70mm stainless steel piping with dual 90mm titanium tips. It is fully polished and completely Tig welded for an incredible looking exhaust. The tone is very sporty and aggressive and is sure to catch attention. This system can be purchased in a few different forms. You can get the catback system if you already have a downpipe or want to use your stock downpipe. You can also just get the muffler section or center section if you need to replace one or the other. The best possible setup however is the turboback system which includes the HKS bellmouth downpipe and the full catback system. This is the ultimate in gains and will drastically increase the power of your STI. All hardware is included.

Fitment Details:

08-10 Impreza WRX STi

Description:

Tip: Dual Ti x2 (straight), Tip Diameter (mm): 90, Piping Diameter (mm): 75

Includes center pipe, rear section only. HKS Bellmouth Downpipe *33006-BF003* is required and sold separately (OFF-ROAD USE ONLY).

All HKSexhaust systems are engineered with performance, quality, and value as primary goals. Through countless comprehensive efforts of flow analysis, dyno testing and tuning, HKS able to maximize horsepower gains throughout a broad powerband.