CP-E
CP-E Austenite Axle Back Dual Mufflers
2015+ WRX / 2015+ STI
Specifically designed for the 2015+ WRX / STI, CP-E brings you their very own axle backs, made right here in the USA!
Note: These are NOT compatible with SPT equipped models.
Details
CP-E Austenite Axle Back Dual Mufflers
Specifically designed for the 2015+ WRX / STI, CP-E brings you their very own axle backs, made right here in the USA! Remove the two restrictive 13.5lbs factory baffled mufflers and gain 2.5" thick 304 stainless steel piping.
Key Features
- 4” Dual Wall Stainless Steel Polished Tips
- 3D CAD & CAM in Design & Production
- 3/8” Thick CNC Laser Cut Flanges
- 304 Surgical Grade Stainless Steel
- 18 Gauge Tubing
- Solid ½” Thick Diameter Exhaust Hangers
- Hangers Feature Locking Mechanism on Both Sides of Rubber OEM Hanger
- Each Hanger is Reinforced to Resist Long-Term Cracking
- Quad 2.5” Diameter 16 gauge Wall Thickness Mufflers with Reinforcing Ribs for Maximum Rigidity and Sound Absorption.
- Mufflers Staggered to Resemble OEM Tip Layout and Spacing
- 2.5” Diameter Tubing from Flange to Tip
- Titan™ Finish
- Modular Design
- Made in the U.S.A.
- LIFETIME Warranty
Everything you need to know about axlebacks
Featured In Subispeed's New Products June
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4 customer reviews
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Nice but one issue
By Wrx guy January 23, 2021Sound is nice with no drone. Sound is loud 15 to 40 mph.Enough to let people know you’re there. 40 mph and up the sound backs off to sound like any other car muffler, slightly louder. Now the but! The inner tips on both mufflers are not functional much. The tips hardly darkened because not much exhaust passes by them. It Looks weird. I’m cleaning the outer tips with a dry rag til the inner tips get as dark.
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Boomy
By Michael January 6, 2021The fit is,... ok. The holes do not line up great which is likely why they include smaller than stock diameter bolts so it give some margin of error but it did go together easily. The tone from the outside is great. Just want I wanted. Smooth and not raspy, lot crazy loud and a deep tone....BUT on the inside, even under moderate loads, it is really Boomy especially around 3K RPM. It really resonates the whole cabin. This is not a drone, under light loads even on the highway, barley hear it. But Moderate to heavy loads, it is annoying. For the price, really bummed and now I am stuck with it because I can not return it since it is now used. I will be trying to take to the manufacture so we will see.
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Good buy
By Wrx guy November 29, 2020I’m happy with this order. Now the effects it has on my 2020 WRX premium CVT. 1. Much lighter in weight than the Stock Muffler. 2. Installed in 20 minutes 3. The Sound....Zero to 40 can be loud (Higher RPM)...40 and up nice sound with No Drone (windows down). Windows up, not loud or any Drone at any speed. I did Dino Matt the car for the stereo. Does not sound like Fart cans! 4. The CVT shift points are smoother and faster. 5. Looks are neat and clean. Fit is firm and even.
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Great axle back with some flaws
By Ken September 22, 2020This took forever to receive. For what it's worth subispeed didn't mind me bugging them to get info on when it would ship but it took about 7 weeks to get to my door. The delay had something to do with cpe not having gaskets in stock so it wasn't any fault of subispeed. Install....super simple obviously except one big issue I had. Cpe provides 3/8th hardware but I couldn't use it because both bolts wouldn't fit in the flanges to get them flush. I actually had to step down to 5/16th hardware to be able to maneuver both sides of the exhaust to sit flush. Build quality....amazing, this is a expensive axleback but You know it's worth the money once you get it in your hands. And it has a lifetime warranty. Sound.... Shockingly nice deep rumble. definitely a little louder than I expected it to be and it has some drone. Even though it is a little louder than I expected I wouldn't hesitate to buy it again because it looks and sounds amazing on the car.
