Borla Universal XR-1 Multi-Core Racing Muffler for Round 2-1/4in In 4in Out 20-1/2in x 6-3/4in 40728 M4 Cabrio

Borla Universal XR-1 Multi-Core Racing Muffler for Round 2-1/4in In 4in Out 20-1/2in x 6-3/4in 40728 M4 CabrioBOR XR 1 Mufflers Exhaust Muffler Merge Collector And Muffler In A Single Unit This is THE HOT set up in drag racing. This patented, award and race winning product was designed to replace your current open header collector and serves as a power producing merge collector and muffler all in a single unit. XR 1 Stainless Collector Muffler.

Custom Deluxe 1968 - 1974 Chevrolet K20 Pickup Base 1973 Chevrolet K20 Suburban Base 1985 Chevrolet K20 Suburban Silverado

From the street to race circuits

Adjustable Timing Sets

This high-end manufacturing process ensures:

ReFlex+ Install Harness - BMW Plug-n-Play

High EnergyT Hydraulic Flat Tappet Cam - Grind 260H for Buick 400

Porterfield Brake Pads for 2012 DODGE Charger V6 AWD

Year Make Model Submodel 1973 - 1981 Buick Century Base 1980 - 1981 Buick Century Estate 1976 Buick Century Indianapolis 500 Pace Car 1973 - 1975 Buick Century Luxus 1975 - 1979 Buick Century Special

Custom 1968 - 1974 Chevrolet C10 Pickup Base 1968 - 1974 Chevrolet C10 Suburban Base 1975 - 1980 Chevrolet C10 Suburban Custom Deluxe

93" Seat Height

Laredo 2006 Jeep Grand Cherokee SRT8

Not a true Dual design