Ultimate Racing 3" Catback Dual Muffler Exhaust | 2008+ Subaru STI | 2011+ WRX Hatchback (10047)
Ultimate Racing 3" Catback Dual Muffler Exhaust | 2008+ Subaru STI | 2011+ WRX Hatchback (10047)
Ultimate Racing 3" Catback Dual Muffler Exhaust | 2008+ Subaru STI | 2011+ WRX Hatchback (10047)
Ultimate Racing 3" Catback Dual Muffler Exhaust | 2008+ Subaru STI | 2011+ WRX Hatchback (10047)
Ultimate Racing 3" Catback Dual Muffler Exhaust | 2008+ Subaru STI | 2011+ WRX Hatchback (10047)
Ultimate Racing 3" Catback Dual Muffler Exhaust | 2008+ Subaru STI | 2011+ WRX Hatchback (10047)
Ultimate Racing 3" Catback Dual Muffler Exhaust | 2008+ Subaru STI | 2011+ WRX Hatchback (10047)
Ultimate Racing 3" Catback Dual Muffler Exhaust | 2008+ Subaru STI | 2011+ WRX Hatchback (10047)
Ultimate Racing 3" Catback Dual Muffler Exhaust | 2008+ Subaru STI | 2011+ WRX Hatchback (10047)

Ultimate Racing 3" Catback Dual Muffler Exhaust | 2008+ Subaru STI | 2011+ WRX Hatchback (10047)

Ultimate Racing
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304 stainless steel piping-

3/8" thick machined flanges-

Dual high-flow mufflers with straight through design

4" muffler tips (see below for choices)

Only 74dB at idle

29lbs vs 43lbs stock!

TIG welded to perfection- Bolt-on

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Customer Reviews

Based on 1 review
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G
Gregory Walker MD
No Go

The cat back system is a beautiful device however it was not compatible with my 08 STI. The flange distal to the resonator was against the driveshaft when bolted to a Perrin down pipe. The turbo on my car was of standard size and in stock position. I would be cautious about ordering this product. My installer is a certified Subaru mechanic with years of experience with aftermarket part installations on STI's. He builds race cars on the side. G Walker MD