Downpipes
BMW M340i Valved Exhaust vs Downpipe Guide: Sound, Fitment, CEL Risk and Upgrade Order
Choosing an M340i downpipe or valved exhaust? Compare sound, fitment, tune and CEL risk, Québec/Canada caveats, and the best AZM upgrade order.
Technical guides
Guides
Fitment, materials, dyno data and tuning answers from the people who build the parts. Written by AZ Motorsport in Québec.
Exhaust SystemsLamborghini Aventador SVJ Exhaust Guide: Sound, Valves, Fitment and Race-Use Questions
Shopping for a Lamborghini Aventador SVJ exhaust? Compare AZM F1 exhaust fitment, valves, sound, CEL cautions and Canada race-use notes.
DownpipesFerrari F12 Downpipes vs Race Exhaust: Sound, CEL Risk, Fitment and Upgrade Order
Choosing Ferrari F12 downpipes, a race exhaust, or both? Compare sound, CEL risk, tuning, fitment and Canada/Québec race-use caveats before ordering.
DownpipesLamborghini Urus Exhaust vs Downpipes: Sound, CEL Risk, Tuning and Which Upgrade Comes First
Choosing between a Lamborghini Urus exhaust and downpipes? Compare sound, CEL risk, tuning, road-use caveats, install order and AZM Urus product options before you...
DownpipesBMW S63 Downpipe & Exhaust Fitment Guide: M5 F90 vs X5M/X6M
Shopping BMW S63 downpipes or an exhaust for an M5, X5M, X6M or M8? Use this fitment-first guide to match the right AZM part...
Exhaust SystemsPerformance Exhaust & Tuning on the Rive-Sud: What to Look For Near Brossard
Need exhaust or tuning near Brossard? Compare custom fabrication, dyno validation, Québec winter durability, bilingual service and fitment support.
DownpipesLamborghini Exhaust Guide: Huracán, Aventador and Urus Fitment, Sound and Downpipe Choices
Compare AZM Lamborghini exhaust options for Huracán, Aventador and Urus: fitment, valves, titanium vs stainless, downpipes, headers and Canada buyer notes.
