*** Mini ATV Performance Parts *** Can-Am, Dinli, Arctic Cat, Bombardier, X-treme, E-Ton, Kasea, Polaris, DRR & more... Phone:  (972) 481-8708 Fax:  (469) 916-8068 Email:  Home ATV Parts About Koso Contact Us Find Dealers - Performance Parts - * New Items * All 4-Stroke Clutch Engine Intake & Carburetor Exhaust Gauges Suspension Wheels & Brakes Accessories - Performance Kits - Motor Kits Suspension Kits - Pictures - Photo Galleries - Dealers - New Dealer Inquiry - Exhaust - 4-Stroke CAN-AM PERFORMANCE EXHAUST DS70X & DS90X Increases power by 100% direct bolt on complete exhaust. Gains bottom end power and top end speed. Nice deep throaty sound and not overbearing loudness. Comes with spark arrester that can be easily removed if not needed. EXCAN-AM MSRP $299.95 Click for larger picture and more details... 4-Stroke POLARIS OUTLAW 4-STROKE ONLY EXHAUST Increases power by 100% direct bolt on complete exhaust. Gains bottom end power and top end speed. Nice deep throaty sound and not overbearing loudness. Comes with spark arrester that can be easily removed if not needed. EXPOLARIS MSRP $299.95 Click for larger picture and more details... HI-PERFORMANCE EXHAUST Chrome Plated Koso and Maximum RPM have teamed up to make the best exhaust possible for the most broad power band available. All new exhaust delivers awesome bottom and mid range while still peaking the horse power with amazing revs for that Maximum RPM! KOSOEX50 (50cc & 70cc) MSRP $265.95 KOSOEX90 (90cc)           MSRP $265.95 Click for larger picture and more details... KOSO REPLACEMENT MUFFLER KOSOMUFF MSRP $49.95 Click for larger picture and more details... KOSO REPLACEMENT EXHAUST GASKET EXGASKET MSRP $6.95 Click for larger picture and more details... KOSO REPLACEMENT EXHAUST SPRINGS EXSPRINGS MSRP $13.95 Click for larger picture and more details... KOSO REPLACEMENT HEAD PIPE HEADPIPE70 (70cc) MSRP $25.95 HEADPIPE90 (90cc) MSRP $25.95 Click for larger picture and more details... Copyright © 2004-2010 Maximum RPM. All rights reserved.