Exhaust Systems
Do You Need an Exhaust for Winter Driving?
You usually do not need a different exhaust just because you drive through winter. What matters is material choice, clean installation, and road salt...
Technical guides
Guides
Fitment, materials, dyno data and tuning answers from the people who build the parts. Written by AZ Motorsport in Québec.
Exhaust SystemsDoes a Cat-Back Exhaust Add Horsepower?
A straight answer on what a cat-back exhaust really changes on your car, where any power gain comes from, and what matters far more.
B58B58 Gen 3 Downpipe Checklist: M340i, M440i, Tune and Fitment Questions
Shopping for a B58 Gen 3 downpipe? Use this M340i/M440i checklist to confirm Gen 1 vs Gen 2 vs Gen 3 fitment, catted-vs-catless choices,...
DownpipesMcLaren 600LT/675LT Downpipes vs X-Pipe Exhaust: Tune, CEL and Fitment Checklist
Compare McLaren 600LT/675LT downpipes with a 600LT X-pipe exhaust by sound, tune/CEL planning, catted-vs-catless choice, fitment checks and Quebec install questions.
8VAudi RS3 Downpipe Install Cost, Tune and CEL Checklist: 8Y/8V Buyer Questions
Pricing an Audi RS3 downpipe install? Use this 8Y/8V checklist to plan quote factors, tune/CEL risk, catted vs catless choices and fitment before booking.
DownpipesFerrari Purosangue Exhaust vs Downpipes: Sound, Valves, Fitment and Buyer Checklist
Choosing between a Ferrari Purosangue exhaust and downpipes? Use this AZ Motorsport checklist to compare sound, valves, fitment, tune/CEL planning and Quebec/Canada ordering questions...
DownpipesMercedes GLE63 Downpipes Checklist: W167 Fitment, Tune and CEL Questions Before Ordering
Shopping for GLE63 downpipes? Use this W167 checklist to confirm fitment, tune/CEL planning, catted vs catless choice, install prep and Quebec ordering details before...
BrossardModified Exhaust Quebec Checklist: Questions to Ask Before You Buy, Build or Book
Planning a modified exhaust in Quebec? Use this checklist to compare repair, fabrication, cat-back systems, downpipes, headers, drone, CEL risk, quote scope and local-use...
BrossardPerformance Car Tuning Near Me: ECU, Dyno, Road-Log and TCU Questions Before Booking
Searching performance car tuning near me or car ECU tuning near me around Montreal, Brossard or Quebec? Use this checklist to choose between ECU...
AudiAudi R8 Exhaust System Upgrade Checklist: Valved Exhaust, Headers, Sound and Install Questions
Choosing an Audi R8 exhaust system? Use this checklist to compare a valved/F1 exhaust, race headers, or both, with install, sound, tune/CEL and Quebec...
AudiAudi RS5 Downpipe Install and Tune Checklist: B9/B9.5 Buyer Questions Before Ordering
Checklist for planning an Audi RS5 downpipe install, including B9/B9.5 fitment questions, catted vs catless planning, tune/CEL risk, Quebec daily-driver considerations and what to...
BrossardGarage tuning Québec : questions à poser avant une reprogrammation, un dyno ou un Stage 1
Checklist en français pour choisir un garage tuning au Québec: reprogrammation moteur, ECU tuning, dyno, Stage 1, Stage 2, pièces, usage hivernal et questions...
