RANGE ROVER STAINLESS STEEL DUAL BACKBOX DELETE CUSTOM EXHAUST SUPPLY AND FIT. RANGE ROVER STAINLESS STEEL BACKBOX DELETE CUSTOM EXHAUST SUPPLY AND FIT. We also offer a range of diffusers for your vehicle in matte black, gloss black and carbon fibre. It will take approximately 1 to 2 hours for your work to be done. Supply and Fit Services. We also have a range of other services, such as. Tailpipes/tips conversion (including Carbon, Burnt tip, Chrome, Matte black, as well as a range of branded ones). Performance backbox’s and resonators. Backbox and resonator delete. Back end dual systems. Fast Lane Styling Ltd specialises in high quality custom exhaust systems. Professionally and individually fabricated at our premises by one of our highly skilled technicians. While you wait at our showroom or drop off and collect. Fabrication times vary dependant on the system chosen and vehicle manufacturers model and year. To further our exhaust work, we also offer car window and light tints, as well as dechroming and wrapping. We offer advice and a full consultation, which includes selecting the back-box, cat-back system, tailpipes (from a range exceeding 150+), sound and performance.