Please note our company only purchases Milwaukee 8 exhaust systems exclusively, and currently hold purchase orders dating back more than a year. Remember, no down payment is required to join this list, which sets us apart. The process is simple - when inventory is in stock, waitlist clients will be notified in the order received, and given 24 hours to complete purchase. Not ready to buy? No problem! Customers can remain on the list, but will be moved to the bottom.

Due to their custom nature, all HPi exhaust system sales are FINAL. MPG cannot accept returns under any circumstances. Due to labor involved, no announced/advertised or military discounts can be applied to We appreciate your understanding.