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Nameless Performance Catback Exhaust - Evo X

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  • Muffler Delete
  • 5" Mufflers
  • Midpipe
$999.00
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 Product Description

As time passes we continue to grow as a company which enables us to venture into different auto manufactures. We are proud to bring a new Catback Exhaust for the Evolution X to market!  This catback will bolt up to your factory downpipe and comes with a new gasket and hardware.  From that connection back all other connections are now replaced with vbands. The catback begins life as a full 3" circuit then at the rear of the car it splits into a dual 2" system. Similar to what we do on our Subaru WRX/STI systems. This allows for great flow characteristics and helps cut down on the low frequency cabin noise. It will then exit out of the rear bumper from our in house Tig Welded 4" Single wall tips. This will fit your 2008-2015 EVO X.

Features:
The main functional elements of this catback exhaust are its matched flow dynamic from the 3" diameter resonated main circuit into the 2" diameter secondary circuits (the dual circuits of the rear of the exhaust). Starting from a goal of matching the flow of exhaust through the 3" section and into the 2" sections, the division of exhaust is accomplished with a larger diameter 2.25" Y section in the midpipe, which takes the position of highest friction in the catback exhaust and ensures a proper division of exhaust gas flow without inducing restriction. Many other companies go oversized on the rear circuits to accomplish this goal of keeping flow up in a divided exhaust, however, the overall midrange torque suffers and the horsepower is no higher than a system with a smaller terminal circuit diameter. Our system on the other hand, produces more torque through the midrange than most exhausts on the market, while retaining higher than average horsepower gains. The result is a catback exhaust that makes a substantial difference in the behavior of the vehicle.

The second major advantage to the 2" dual rear circuits on the exhaust is a substantial decrease in low frequency cabin noise at cruise, often referred to as 'exhaust drone.' While larger rear circuit exhausts produce low frequency tones at lower flow dynamics, resulting in a boomy sound at cruise and an overly loud raspy sound at wide open throttle, our system produces a substantial reduction in cabin resonance while retaining an aggressive tone at wide open throttle.

Materials:
The system is designed using 100% T304 (low corrosion, high strength) stainless steel throughout. From the flanges to the tubing and hangers to the perforated tubing in the mufflers, all of the stainless we use is the highest grade T304. Muffler packing consists of medium density, high temperature resistant ceramic wool, ensuring long muffler life and a compact lightweight design that muffles better than many market standard mufflers that are 3-4x the size of our in-house fabricated and engineered mufflers.

Construction:
All weld joints are hand TIG welded by skilled craftsmen in our shop in the Pacific Northwest. With over 40 years of experience in the welding industry, our team is comprised of fabricators who have worked in every industry from automotive to heavy industrial fabrication. They pride themselves on their work and produce results that are unparalleled in the industry. Each of the connections in the catback are attached with latch over v-band clamp assemblies where they are not connected at factory connection points. At the front, a conical flare joint with a floating flange and a proprietary 3" donut gasket connect the catback directly to a factory downpipe or an aftermarket downpipe with a connection that gives all of the compliance of the factory system and allows easy adjustment during installation. At the rear of the midpipe, factory fit flanges are used with a larger diameter bore than the factory system that can still use factory gaskets (which are larger than the factory exhaust system). Factory OEM Subaru gaskets and all hardware are included with the kit.

Options:

  • Muffler Delete: The loudest option. Removes the mufflers entirely. This is a 10 on a scale where stock = 0
  • 5" Mufflers: Our most quiet option. Perfect for those looking for a subtle upgrade. This is a 5 on a scale where stock = 0

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