We've combined several of the most popular FMF products for the Suzuki DRZ400S and DRZ400SM into a handy package deal. The FMF PowerCore4 Slip-On muffler, combined with an FMF PowerBomb header, provides a direct bolt-on hi flowing exhaust system, and the optional Jet Kit will get your bike running correctly and help take advantage of the new performance exhaust system. You can also add a Kientech Fuel Screw and either a No Toil or K&N Air Filter to the package as well.
We have this exact system on our 2016 DRZ400SM Project Bike, and love it. Besides the exhaust system, we also did the 3x3 airbox mod, replaced the stock air filter with a K&N air filter (see option below), and jetted the carb with a JDJetting Jet Kit (see option below). These relatively simple modifications totally transformed the performance and sound of the bike, and we highly recommend it for any DRZ400S or DRZ400SM rider! If you're riding your DRZ with the stock exhaust, or even a slip-on, you are really missing out on the performance gains you get out of a full system like this.
We get a lot of questions on what the different exhaust systems sound like. The FMF PowerCore4 sounds excellent. It is slightly louder than the FMF Q4 System we have on our other DRZ400SM Project Bike, but has a slightly better tone to it IMHO. It is not annoyingly loud in my opinion, like some exhaust systems can be.
Fitment: 2000-2021 Suzuki DRZ400S and DRZ400SM
PACKAGE INCLUDES THE FOLLOWING...
One (1) DRZ400 FMF PowerCore4 Slip-On Muffler:
Constructed from aircraft grade aluminum and high strength stainless steel
Advanced packing material for maximum longevity
Removable USFS spark arrestor included
Lighter than stock
Optional 96dB quiet insert available from FMF
One (1) DRZ400 FMF PowerBomb Header:
Stainless Steel Construction
Ideal for use with FMF Q4 Muffler
OPTIONAL PARTS THAT CAN BE ADDED TO THE PACKAGE INCLUDE...
** OPTIONAL: DRZ400S / DRZ400SM Jet Kit:
Choose from either DynoJet Jet Kit or JD Jetting Jet Kit
Makes jetting your carb simple
Includes a selection of jets / needles to get maximum horsepower out of your aftermarket exhaust
Easy to use instructions have diagrams and step-by-step procedures to help you get your jetting right
DynoJet Jet Kit - Part #3110.002 for DRZ400S / DRZ400SM Mikuni BSR 36mm Carburetor (Stage 1 & 2 Jetting)
JDJetting Jet Kit - Part #JDS005 for DRZ400S / DRZ400SM Mikuni BSR 36mm Carburetor
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