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D&D Fat Cat 2:1 Exhaust for Softail® Models Double click on above image to view full picture

D&D Fat Cat 2:1 Exhaust for Softail® Models

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As low as: $799.00

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Overview

Fat Cats for ’84-‘11 Softail® models include 18mm oxygen sensor bungs; ’12-up models include 12mm oxygen sensor bungs. If your ’12-up model will be using a tuner that utilizes 18mm wide-band oxygen sensors (ThunderMax®), order a ’84-’11 pipe for the proper model application.

Low Cat for Softails® has upswept muffler; improves ground clearance on lowered bikes. Will not work with factory Heritage Softail® Classic saddlebags, may be an issue with aftermarket bags.

In compliance with ARB emissions laws, this product is not sold or shipped to California.

Price as configured: $0.00

Details

The D&D Fat Cat 2-into-1 exhaust system is an excellent choice for engines with performance modifications from stock to plus-25% displacement, delivering a torque curve that is high and wide, with a strong top-end pull. Excellent workmanship inside and out; broad power design really shows up on the dyno.

D&D’s philosophy is to trust their own R&D program, developing their product line to reflect what they learn during their countless hours of testing on the D&D dyno. But they didn’t stop after they made big power, they also built systems that are engineered to fit and look great! Inspect a D&D pipe, and you’ll find true craftsmanship—from the hand-ported inlets and collectors, hand-fit heat shields with machined and welded steel clamp brackets, heavy-duty mounting supports and flawless finishes, you’ll know you made the right choice for your Harley®.

All models are available in brilliant chrome or high-temperature black powder coat finish. Includes full-length header heat shields to ensure great looks over the long haul.

Fat Cats for ’84-‘11 Softail® models include 18mm oxygen sensor bungs; ’12-up models include 12mm oxygen sensor bungs. If your ’12-up model will be using a tuner that utilizes 18mm wide-band oxygen sensors (ThunderMax®), order a ’84-’11 pipe for the proper model application.

Low Cat for Softails® has upswept muffler; improves ground clearance on lowered bikes. Will not work with factory Heritage Softail® Classic saddlebags, may be an issue with aftermarket bags.

See notes below regarding tuner system compatibility for 2012 and later applications


TUNER COMPATIBILITY NOTES
All Twin Cam® Softail® model 2-into-1 Fat Cats are equipped with oxygen sensor bungs. 1984-2011 systems include 18mm bungs, 2012-2015 are fitted with 12 mm bungs. Before ordering your exhaust for a 2012-2015 model, verify what tuner you will be using. In 2012, H-D® changed the size (from 18mm to 12mm) and location of the narrow-band oxygen sensors the factory ECM uses. The fitment of the exhaust system to the bike did not change, meaning it is possible to install a 1984-2011 exhaust system with 18mm sensor ports on a 2012-2015 model, allowing the installation of tuners such as ThunderMax® that use smart-technology 18mm wide-band oxygen sensors to be installed without any exhaust modifications. If in doubt about which system to order, contact us and we'll be happy to help.

APPLICATION NOTES
• Fat Cats for FLSTC models have an extended muffler body (6") to allow exhaust gasses to exit beyond the saddlebags (these systems can also be fitted to other Softail® models equpped with saddlebags, or if a longer pipe is desired).
• The Fat Cats on this page will not fit on Rocker® models or 2009 CVO Softail® Springer® models equipped with "ribbed" oil tanks (see D&D Low Cat exhaust page for these applications).

BAFFLE OPTIONS
Louvered Baffle – Original baffle design, louvered and unwrapped to provide higher flow. Louder exhaust note and good balance of torque and horsepower.
Big Bore Baffle – High flow perforated, big bore design. Loudest exhaust note and most flow. Designed for the rider with extensive performance modifications who wants maximum high rpm output.

 

This product is not for sale or use on pollution controlled vehicles.

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Additional Information

Brand D&D®
Model Softail®
Exhaust Type 2:1 Systems
Emissions Compliant No
Fuel / Air N/A
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