Dubach DRD Full Exhaust System for the Suzuki LT-R450

The Dubach DRD Full Exhaust System is the exhaust that helped to earn Dr. D it's stellar reputation for performance, fit and overall quality. The D-Style exhaust provides performance unequaled by any other after market exhaust manufacturer. Plenty of power and right where you need it most. The Dubach DRD Full Exhaust System is durable, light weight and continues to rack up race wins all over the world. Spark arrestor included, quiet insert optional.

The unique attributes of the DRD Step System allows for a more efficient intake stroke. It does this by resisting the reflective exhaust pulse during the intake/exhaust overlap. In plain language, the carefully tuned steps in the system gives a crisper throttle response from bottom to top. The key advantage of the Step System is improved low, mid and top end power. Spark arrestor included, quiet insert optional.

The Dubach DRD Full Exhaust System for the Suzuki LT-R450 fits perfectly using all the stock hardware and mounts up in just minutes without springs. Bottom-end pulls like a freight train and carries over into a long and strong mid to top end. You can really feel a big difference in third and forth gear as you can carry both gears longer with less clutch. The power curve allows you to use the torque. This allows you to lug the Suzuki LT-R450 much longer. Top-end power is solid, but the most noticable change with the Dubach DRD Full Exhaust System is in the bottom and middle rpm range. The Dubach DRD Full Exhaust System is one of the favorites in rough conditions. Dubach has created a pipe that can be used for both Race and Recreation.

You no longer have to purchase a separate pipe if you want to take your race quad up to the mountains for the weekend. The Dubach DRD Full Exhaust System comes standard with a removable spark arrestor screen. Remove the spark arrestor when you race and insert it when it is required on the trails. This transition only takes a couple minutes.

All pipes are personally track tested by Doug Dubach, a 22-year Yamaha test rider Dubach has more experience and places greater effort with track testing than any other exhaust company. Dubach racing career includes 4x Four-Stroke World Champion, 13x Vet Champion, 2x Loretta Lynn Champion and a Supercross Main Event win in San Jose, Calif. DRD pipes are built to not only perform on the track but provide exceptional durability and reliability to exceed customer expectations.

There have been numerous publicated articles about the Dubach DRD Exhaust Systems. Here are a couple quotes from a Dirt Wheels article:

Dirt Wheels Quote August 2004 YFZ Exhaust Shootout (12 different exhaust companies) "With quality, weight and price taken into consideration, the Dubach system is the clear winner" "With its low price, easy installation, strong power figures and music to our ears sound numbers, the Dubach Racing quiet exhaust system is the winner of the Yamaha YFZ450 slip-on pipe shootout. Congratulations."

Dirt Wheel Quote “it feels like you are riding a highly modified motor when running the Dubach system.” “It pulls amazingly hard off the bottom and super strong all the way through the mid and top end”

The Dubach DRD Full Exhaust System features:

• Huge performance improvements over stock system
• Features Stainless Steel Aluminum Muffler
• Includes head pipe
• Welded construction for reduced weight (no springs)
• Removable bolts at inlet cap for easy repacking
• Meets AMA 99db sound requirement
• Includes Removable USFS Approved Spark Arrestor Screen
• Meets USFS spark arrestor requirements when spark arrestor is installed.
• Meets USFS noise level requirements when the optional Dubach DRD Quiet Insert is installed.
• Spark arrestor screen and quiet insert can be added or removed in only minutes via the removable end-cap.
• Tested by Dustin Nelson, Doug Dubach
• Unequaled Testing Experience and Development

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