Choose a vehicle:

User Tip: If you're unsure of your vehicle type, you may skip the machine type selection box.

» Log in to use your Rider Profile Machines

Please select make, model and year

4-Stroke Exhaust4-Stroke Exhaust

4-Stroke Exhaust from Rocky Mountain ATV/MC

Exhaust systems in either full race or with tuneable spark arrestors and different tips to give you that perfect power output for either motocross or trail riding.

Latest UTV 4-Stroke Exhaust Reviews – You could win up to $500 for reviewing products!

  • Yoshimura RS-3 Stainless/Aluminum Slip-On

    Yoshimura RS-3 Stainless/Aluminum Slip-On

    JANA in AZ

    yoshi pipe

    excellent craftsmanship and looks great

    Read All Reviews
  • Toomey Slip-On Silencer

    Toomey Slip-On Silencer

    David in UT

    First time instaling a pipe on a wheeler it went on with-out a hitch thanks to the simple to follow instructions. Very pleased with the performance on my 06 yzf

    Read All Reviews
  • Two Brothers Racing V.A.L.E. M-2 Dual Aluminum Slip On

    Two Brothers Racing V.A.L.E. M-2 Dual Aluminum Slip On

    tony in VIC

    V strom 1000

    Great sound and just neat with the P1 tips to keep it sane in the neigbourhood. great note too deep and burbly. quality fit and fittings. worth the money tony from Aust

    Read All Reviews
  • Yoshimura RS-4 Stainless/Aluminum Full System

    Yoshimura RS-4 Stainless/Aluminum Full System

    Nick in TX

    Look awesome. Sounds better.

    Sounds so much better than stock pipe. Gives the motor the grunt and flow it yearns for. Quick install-less than 30 min. Best exhaust for price. Best exhast PERIOD.

    Read All Reviews
  • Yoshimura RS-2 Stainless/Aluminum Slip-On

    Yoshimura RS-2 Stainless/Aluminum Slip-On

    Quintin in UT

    Had it for a few years and its still kicking

    I had one of these on my CRF150r and loved it! Its awesome on my 250X too. Sounds nice, real deep. Re-packing it can be a bit of a pain. ended up denting the end cap trying to get it off to remove the packing. Over all great product!

    Read All Reviews
  • LeoVince SBK LV One EVOII Stainless Steel Slip On

    LeoVince SBK LV One EVOII Stainless Steel Slip On

    CHRIS in CA

    Nice looking but install is a pain

    Leo Vince makes good stuff no doubt about it. The SBK stainless steel kit is the one for a '11 KTM 990 ADV. This kit includes the mufflers and new mid pipes. Meaning you have to remove the stock mid pipe. It was necessary to remove the plastic side plates (easy) and the unbolt the sub frame and slide it back an inch or two, not so easy. Be sure to remove the graphite gaskets off the header pipes so new mid pipe the fits the header. The mufflers are well made but not much lighter than the stock. At least the cat elements are out and the mufflers will run much cooler. Everything fit well. Get every thing mounted before thightening thing down. The Leo Vince looks and sounds great but I kind of wish I had purchased the FMF Q mufflers. FMF mounts to the stock mid pipes so much easier install. Additionally, the FMF mufflers are aluminum and much lighter.

    Read All Reviews
Frequent Buyer ProgramParts Finder