• 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.
  • 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  
  • jl-exhausts-logo2jimlomaspic ***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
    Kit includes:
    • 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
    Installation of the side stand kit will require the basic hand tools, a drill and either a pair of vice grips or a spring installation tool (recommended). Note: This item is not eligible for discount    
  • 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
    DG Expansion Chambers Performance Exhausut for RD350 All Years and RD400 1976-1978. 13+/- hp increase
    • 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)
    RZ350Manifold  Xovertube Yamaha RZ350 Cross-over Tube Clamp. Original Yamaha OEM
    • Jet Kit (includes 180-230 Mains, 2 each)
    Standard hex jets for Mikuni VM carbs  Genuine Mikuni Pilot Jets for VM  
    • 2 manifold Gaskets
    OEMManifoldgasket
    • 2 Carburetor Bowl Gaskets
    007-995
    • K&N Filter Care Kit (includes Cleaner Solvent and Filter Oil)
    A six-step maintenance system designed to recharge any K&N AirFilter. Completely restores air Flow efficiency so your Air Filter performs like new. Includes: 6 1/2oz. Spray 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
    DG Expansion Chambers Performance Exhausut for RD350 All Years and RD400 1976-1978. 13+/- hp increase
    • Uni 2 Stage High Performance Air Filters x2
    UNI 2 Stage Pod Filter    UNI 2 Stage Pod Filter
    • New High Performance Manifolds Kit (includes 2 modified RZ350 manifolds with boost port/crossover, cross over tube & clamps)
    RZ350Manifold  Xovertube Yamaha RZ350 Cross-over Tube Clamp. Original Yamaha OEM
    • Jet Kit (includes 180-230 Mains, 27.5-30 Pilots, 2 each)
    Standard hex jets for Mikuni VM carbs  Genuine Mikuni Pilot Jets for VM
    • 2 manifold Gaskets
    OEMManifoldgasket
    • 2 Carburetor Bowl Gaskets
    007-995
    • Uni Filter Care Kit (includes Cleaner Solvent and Filter Oil)
    • Free Decals
    • Free tech/installation support