-
DG Expansion Chambers Performance Exhausut for RD350 All Years and RD400 1976-1978. 13+/- hp increase, 10 pound weight reduction and bolt on easily. Steel construciton. Requires re-jetting of carburetors and new exhaust gaskets. Jets and exhaust gaskets are available here on the website. -
Exhaust springs by Moose Racing. Suitable for aftermarket exhaust / expansion chambers. Stainless Steel, sold in pairs. Available in multiple lenths (measurement is from hook to hook) 90MM fits most Yamaha RD/RZ applications. Choose length and click add to cart -
Expansion Chamber Silencers - Black Carbon Fiber or Stainless Steel, sold each. These work with Lomas expansion chambers, see dimensions below for other applictions Stainless dimensions: 250mm Long Weight = 592 grams Mounting = 3 each M6 on 38mm bolt circle Carbon Dimensions: 250mm Long Weight = 497 grams Mounting = 3 each M6 on 38mm bolt circle -
***Note: We cannot ship Lomas exhausts to Europe. To purchase Lomas pipes for Europe, please visit JL-exhausts.com***
JL (Jim Lomas) Expansion Chambers - Yamaha R5/RD350/76-77 RD400. Simply put, JL chambers are the best pipes available for your air cooled RD or R5. Available in mild steel or stainless steel with stainless or carbon fiber silencers. Excellent performance across the rev range and high quality craftsmanship, you won't be disappointed!
-
Kickstand Relocation Kit by HVC - for bikes with modified exhuast/expansion chambers. Our kit accomplishes two things. It allows the stock side stand to be used with aftermarket exhaust and it takes out that terrible lean angle of the bike when it is resting on the side stand. This kit will work with any after market exhaust using your existing side stand on the following motorcycles:- Yamaha DS7/R5
- Yamaha RD250/RD350
- Yamaha RD400
- Yamaha RD400F
- Our steel bracket that has black oxide coating to prevent rusting
- A longer spring that is designed and manufactured just for this kit
- Hardware and a drill bit
Note: This item is not eligible for discount
-
Lomas Exhaust Gasket for Silencer, sold each. -
Lomas Exhaust O-rin, sold each -
Lomas SS Exhaust Springs for RD/RZ (sold in pairs) -
Long-filament fiberglass made especially for 2 stroke muffler packing, suitable for aftermarket expansion chambers, Measures 10.5" x 16", more than enough to repack virtually any 2-stroke silencer. Resists breakdown up to 1200 degrees F. Made in the U.S.A. -
PJ1 - High temp black exhaust paint. A heat and flame resistant flat black paint that resists chipping and rusting. Withstands temps up to 1500 degree F. 13oz net weight. Note: Additional shipping charges apply to paint, calculated at check out. Cannot ship Internationally. -
Sale!
Exhaust Gasket, 360-14714-00-00 (Between header and muffler. Reproduction part, sold each. 2 required per bike. Fits all years RD250/350 -
RD400 Exhaust Joint - SOLD EACH. Reproduction part replaces 1A1-14615-02-00. -
Compatible Models: RD400 76-79, sold each. -
Yamaha RD350 RD400 Stage 1 Performance Kit. Kit includes everything you need to transform your stock RD into a serious performance machine. Yamaha RD350 (all years) RD400 (1976-1978), 12+ lbs Lighter then Stock! 15+ HP Increase throughout the Rev Range, Bolt on Performance. Choose model and click add to cart. Kit Includes:- DG Exhaust Expanision Chambers & Mounting Hardware
- K&N Air filter with Y-boot intake
- New High Performance Manifolds Kit (includes 2 modified RZ350 manifolds with boost port/crossover, cross over tube & clamps)
- Jet Kit (includes 180-230 Mains, 2 each)
- 2 manifold Gaskets
- 2 Carburetor Bowl Gaskets
- K&N Filter Care Kit (includes Cleaner Solvent and Filter Oil)
- Free Decals
- Free tech/installation support
- Kit does NOT include gold heads in picture
-
Yamaha RD350 RD400 Stage 1 Performance Kit. Kit includes everything you need to transform your stock RD into a serious performance machine. Yamaha RD350 (all years) RD400 (1976-1978), 12+ lbs Lighter then Stock! 15+ HP Increase throughout the Rev Range, Bolt on performance. Choose model and click add to cart. Kit Includes:
- DG Exhaust Expanision Chambers & Mounting Hardware
- Uni 2 Stage High Performance Air Filters x2
- New High Performance Manifolds Kit (includes 2 modified RZ350 manifolds with boost port/crossover, cross over tube & clamps)
- Jet Kit (includes 180-230 Mains, 27.5-30 Pilots, 2 each)
- 2 manifold Gaskets
- 2 Carburetor Bowl Gaskets
- Uni Filter Care Kit (includes Cleaner Solvent and Filter Oil)
- Free Decals
- Free tech/installation support
-
Yamaha RD350/400/250/R5/DS7 Exhaust Gasket, Sold each. Genuine Yamaha gasket. -
Yamaha RD350/400/250/R5/DS7 Exhaust Stud Bolt, Sold each. OEM Part.
Call Us Today! 1 (224) 430-7971|customerservice@economycycle.com
