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British Customs Brushed Stainless Steel Sleeper Pro Mufflers - BC902-120-BR

  • Part #:
    4409747
  • Manufacturer Part #:
    BC902-120-BR
This item is no longer available
Overview of British Customs Brushed Stainless Steel Sleeper Pro Mufflers - BC902-120-BR

For those looking for the ultimate retro exhaust, the British Customs Sleeper Pros are the answer. First and foremost, the Sleeper Pros have a deep rumble with a rich tone inspired by the distinctive sound the vintage Triumphs of the 60s were notorious for.The Sleeper Pros have a revolutionary one-piece 304 stainless steel body that improves their durability and eliminates the need for ugly seams that usually come on hand-welded exhaust systems. To improve their performance, the Sleeper Pros have innovative HVO™ technology that emphasizes uninterrupted airflow to increase horsepower. The Sleeper Pros also include a rubber mounting system that isolates engine vibration from the frame and eliminates bracket fatigue, extending the longevity of your investment. Best of all, these slip-ons are quick and easy to install on the Triumph Bonneville T120.

Features:

  • Increased horsepower
  • Authentic retro exhaust tone
  • Revolutionary one-piece body made from 304 stainless steel for durability and quality
  • Innovative HVO™ technology designed to improve performance through uninterrupted airflow
  • Compatible with center stand
  • Made in USA


Included Items:

(2) Brushed stainless steel mufflers

Instructions

The Air Resources Board (ARB) does not permit the use of aftermarket emission-related parts that alter the air/fuel ratio of an emission-controlled vehicle. Due to these legal restrictions this part cannot be shipped to California.

Specs for British Customs Brushed Stainless Steel Sleeper Pro Mufflers - BC902-120-BR

Color - Primary Silver
Style Straight-Cut Tip
Type Slip-On/Muffler
Units Pair
Weight 12.30 lbs
Specs for British Customs Brushed Stainless Steel Sleeper Pro Mufflers - BC902-120-BR
Color - Primary Silver
Style Straight-Cut Tip
Type Slip-On/Muffler
Units Pair
Weight 12.30 lbs
Fitment for British Customs Brushed Stainless Steel Sleeper Pro Mufflers - BC902-120-BR

Part 4409747 fits the following machines

Make Sure This Fits Your Ride
Triumph
  • 2017 Triumph Bonneville T120 1200
  • 2016 Triumph Bonneville T120 1200
  • 2017 Triumph Bonneville T120 Black 1200
  • 2016 Triumph Bonneville T120 Black 1200
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Browse 1 question Browse 1 question and 1 answer
I would like to see a photo of these installed on a 1200 Bonney. Does any of the fuel injection mapping have to be changed when these are installed? Can an owner change the mapping? If so, how? If you have them, how do you like them? I would like a bit more sound but not so loud as to offend others.
James E on May 30, 2018
BEST ANSWER: No installed photo, should run ok if using stock air cleaner
Instructions and Manuals for British Customs Brushed Stainless Steel Sleeper Pro Mufflers - BC902-120-BR

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