Intake & Exhaust

The increase in airflow provided by the filter results in up to 3hp gain on factory displacement M8 engines, up to 5hp gain for 124" big bore M8 engines Fits oval Screaming Eagle® Ventilator® air cleaners and M8 special models equipped with oval air cleaners Performance...

The best performing exhaust system there is for M8 Harleys! Fits: 2018-2022 Harley Softail M8 Models 100% Made in USA TIG Welded Perforated Stainless Muffler Note: If this product shows in-stock, that means we have it on the shelf, ready to GO! PRICING INCLUDES...

Vents breathers to atmosphere instead of recirculating oil mist back through the intake Converts the Assault Charge Air Cleaner from internal to external breathing Made in the U.S.A.

Fits: Twin Cam Dyna Models 100% Made in USA TIG Welded Perforated Stainless Muffler Note: If this product shows in-stock, that means we have it on the shelf, ready to GO! PRICING INCLUDES $85 handling & freight charge from HPI, does NOT include shipping cost...

The best performing exhaust system there is for M8 Harleys! Fits: 2017-2023 Harley Touring models 100% Made in USA TIG Welded Perforated Stainless Muffler Note: If this product shows in-stock, that means we have it on the shelf, ready to GO! PRICING INCLUDES $85...

Each hidden breather is o-ringed at the heads and exits at the mouth of the injector/carb to provide efficient engine breathing, eliminating the need for any external hoses or hardware Standard red filters are pre-oiled, washable and feature four-layers of surgical grade cotton for...

The Method is a forged billet aluminum air cleaner that features a sculpted CNC machined design and a clear polycarbonate top that provides a window into the inside of your engine's intake system Hard coated polycarbonate window  Patent-Pending hidden breather system  High performance black...

• Top engine builders demand quality fasteners! Secure your engine with complete confidence.• Feuling® engine fastener kits for Twin Cam® engines• Quality 12-point heat treated 8740 chrome moly steel bolts with black oxide finish• Feature precision rolled threads for optimum engagement, to prevent galling and promote...

Hand TIG-welded stainless steel construction 1-3/4" headpipes step up to 1-7/8" into the collector to increase flow and improve performance 4" diameter straight can 11" muffler body includes matching aluminum end cap Removable spiral-core louvered baffle features an aggressive sound 18 mm and 12...

Meticulously hand built, our Assault Exhausts are TIG welded, then mandrel bent, making each one an excellent piece of craftsmanship. Our Flagship exhaust system, with its deep exhaust note and unique styling is the perfect starting place for those looking to improve the looks...

Meticulously hand built, our Assault Exhausts are TIG welded, then mandrel bent, making each one an excellent piece of craftsmanship. Our Flagship exhaust system, with its deep exhaust note and unique styling is the perfect starting place for those looking to improve the looks...

A compact exhaust with big power and attitude, the Trask Performance Big Sexy is the perfect package for any rider who is looking for impressive gains and styling. With its sawed-off, aggressive looks, this exhaust’s attitude is both big and sexy! Creates broad torque...

Khrome Werks 2-1 Exhaust with the Eclipse finish, which is a true black chrome appearance. Fits: 2017-2023 Harley FLHT/ FLHR/ FLHX/ FLTRX/FLTRU/FLTRK models Designed to increase horsepower and torque while providing an aggressive, low-frequency sound level 1-3/4" to 1-7/8" to 2" high-low, 16 gauge,...

Hand TIG-welded stainless steel construction 1-3/4 headpipes step up to 1-7/8 into the collector to increase flow and improve performance 4" diameter straight can 11" muffler body includes matching aluminum end cap Removable spiral-core perforated baffle features an all-new aggressive sound Features 18mm and...

S&S Cycle has upped their intake game with a new M8 manifold and leveraged a 5-Axis CNC machining center for the ultimate in consistent shape and flow characteristics. Knowing polished porting has little impact on the intake side, they've machined a uniformly spaced and...

Made in the U.S.A.

Feature equal-length headers Stepped 1-3/4" to 1-7/8" headpipes with heatshields Utilizes an advanced inner collector for maximum performance Recommended for engines with up to 120 hp Made in the U.S.A.

M8 Bagger Exhaust (2017 up) Titanium Muffler Premium 304 18 Gauge Stainless Head Pipe Stepped 1 3/4″ to 1 7/8″ Head Pipe 2.5″ Race Baffle Tig Welded 18mm and 12mm 02 Ports with adapters and plugs Made in the USA Built By Bassani For...

4" reverse-cone megaphone muffler body with matching billet end cap 1-3/4" headpipe steps up to 1-7/8" into the collector to increase flow and improve performance Removable spiral-core louvered baffle included Features hand MIG welding 18 mm and 12 mm O2 ports with adapters and...

Features stepped, 1-3/4" to 1-7/8", equal-length headpipes designed for maximum performance Included heat shields cover enough of the headpipes for heat protection but end inches from the collector to show off the stainless steel and hand TIG welding Tapered, megaphone-style, short muffler body; system...