About XP Series
Xtreme Power chambers for highway and street, also available in off road and race series. Technology includes 16GA. Aluminized steel construction, fully MiG welded for performance and durability. Xtreme Power chambers are for the person who demand quality and performance delivering the ultimate in power and sound that suggest your vehicle speaks volumes with increased horsepower and presence on and off the track with mild to aggressive and very aggressive sound.


(XP SERIES) XTREME POWER -  MUFFLER -  BRAND NEW


OFF ROAD AND RACE MUFFLER - 
 2.50"id in 2.50"id out Center In  Dual Out 4"X9" oval 6.50" body 13" overall

Part # XP426

XP100 Xtreme Power Off Road and Race Performance 

Single Chamber Design for the Ultimate Power, Performance and Durability to Compete in Xtreme Off Road and Race Conditions. Technology includes fully Welded Case 16 Gauge Aluminized steel construction with High Temperature Coating for Maximum Durability and Long Life.

About Us  - We have been designing & installing performance Mufflers & custom Exhaust systems since 1979. Providing customers and their vehicles with quality products for use on highways, street, off road and race. Technology is developed with aluminized and high temperature coating with stainless steel proven to enhance your vehicle with quality, performance and sound. 

Can I return your product -

Yes, within 15 days providing it is undamaged or defective and unused. If you simply do not want it and it has not been installed and it is in original unused condition or you ordered the wrong fitment restocking and shipping fees may occur. If it has been damaged in shipping you must file a damage claim with the carrier for the cost of recovery. If it has been installed a request in writing with a full explanation may be requested. At the discretion of Interstate Mufflers Co. a refund may be considered. Items sent to us for return or exchange must be accompanied by a (RMA) RETURN MERCHANDISE AUTHORIZATION FORM. Fill out the brief form and a authorization number will be generated and emailed to you.