Universal Aluminum Racing Series Slip-Ons are the ultimate 4” external disc-based exhaust performance upgrade for your bike, quad or any number of unique applications! The Brushed Aluminum canister, steel core and high tech packing deliver a sweet ride every time. They utilize our patented Tunable Disc Technology.

Utilizing the tunable discs coupled with a Closed End Cap serve as an Integrated U.S. Forest Service approved spark arrestor for endless hours of safe riding. A completely rebuildable core and packing to simplify your maintenance while saving you time and money.

Aluminum Racing Series Slip-Ons with a Brushed Aluminum Finish are available in a 12” length with a 1.50”(38.1mm), 1.75”(44.5mm), 2.00”(50.8mm) or 2.50”(63.5mm) inlet diameter (ID). All models include tri-brackets to weld on.

Select models include eight or twelve, 4” discs.

Aluminum Racing Series Slip-Ons with a Polished Aluminum Finish are available in a length with a 1.50”(38.1mm), 2.00”(50.8mm) or 2.50”(63.5mm) inlet diameter (ID). All models include tri-brackets to weld on.

Select models include eight or twelve, 4” discs.

Add 4” race discs to increase horsepower, exhaust tone and flow.

Subtract 4” race discs to reduce sound and increase low-end torque.

BUY NOW BY CLICKING ON THE PART NUMBER!

How do you know which Universal Exhaust will fit your application? It’s easy! Click here and we’ll tell you how!

Disc Installation Video

4" Tunable Disc Accessories

Closed End Cap vs. Open End Cap Video

V-Twin with Aluminum Racing Series Videos

Sport Bikes with Aluminum Racing Series Videos

Metric Bikes with Aluminum Racing Series Videos

Dirt Bikes with Aluminum Racing Series Videos

BMW with Aluminum Racing Series Videos

How To Re-Pack a SuperTrapp Exhaust

ATV with Aluminum Racing Series Videos

Where To Locate Part Number on Pipe

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Click any Model # for more details.

DESCRIPTION: MODEL# MSRP
4'' UNIV. 1.50''ID,1.75''CORE,ALUM,8DISC 412-15000 $265.00
4'' UNIV. 2''ID, 2.0''CORE, ALUM.,8DISC 422-20000 $295.00
4'' UNIV.1.75''ID,1.75'CORE, ALUM,8DISC 412-17500 $265.00
4" UNIV. 2.5"ID,2.5"CORE,POL.ALUM,12DISC 423-25000 $325.00
4" UNIV:2" ID, 2" CORE, POL.ALUM.,8DISC 423-20000 $315.00
4" UNIV:2.5"ID,2.5"CORE,ALUM,12DISC 422-25000 $295.00
4''UNIV1.5''ID,1.75"CORE,POL ALUM,8DISC 413-15000 $285.00

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