Exhaust Exhaust Pipes, Systems and Components

Invidia

Q300 Quad Tip Cat-Back Exhaust

$2,640.40

SKU: INVHS11STIG3T

In Stock
In Stock
Ships by Aug 3
Free Shipping over $100
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Invidia Q300 Quad Tip Cat-Back Exhaust System is meticulously engineered to enhance the auditory and aesthetic profile of the 2011-2014 Subaru WRX STI sedan. This system provides the distinctive quad-tip visual presence on the GR STI, complemented by the Q300's characteristic refined, daily-driver sound. The premium finish is highlighted by burnt titanium exhaust tips. The Q300 resonated muffler is designed to deliver a sound appropriate for daily transportation, balancing performance with a manageable noise level. The system includes four round, burnt titanium tips, each measuring 110mm, for a complete and purposeful rear-end appearance. Installation is facilitated by the inclusion of all necessary mounting hardware, including nuts, bolts, and hangers, along with gaskets and comprehensive installation instructions. The piping is 76mm in diameter and includes a flex joint for added durability and ease of installation. This Invidia Q300 Cat-Back Exhaust is specifically tailored for 4-door WRX and STI sedans from 2011-2014 with the EJ257 engine on the GR sedan chassis. It is explicitly not compatible with hatchback models.

MIA's Description

The Invidia Q300 Quad Tip Cat-Back Exhaust is a performance exhaust system designed for the 2011-2014 Subaru WRX STI sedan. It features a Q300 resonated muffler for a refined daily-driver sound and quad burnt titanium tips for a purposeful look. Constructed from 304 stainless steel, this system includes all necessary mounting hardware, gaskets, and installation instructions.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandInvidia
Part NumberINVHS11STIG3T
CategoryExhaust

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy