Downpipes
Porsche 992 Turbo S Downpipes vs Race Exhaust: Fitment, Sound, CEL Risk and Upgrade Order
Choosing Porsche 992 Turbo S downpipes, a race exhaust, headers or all three? Compare fitment, sound, CEL risk, tuning and Canada/Québec caveats.
Technical guides
Guides
Fitment, materials, dyno data and tuning answers from the people who build the parts. Written by AZ Motorsport in Québec.
DownpipesCorvette C8 Z06 Downpipes vs Race Exhaust: Catted/Catless Choices, CEL Risk and Upgrade Order
Choosing Corvette C8 Z06 downpipes or a race exhaust? Compare catted vs catless front pipes, sound, CEL risk, tuning, fitment and race-use caveats.
DownpipesFerrari SF90, 296 and 812 Exhaust Guide: Downpipes, Race Exhaust, Sound and Fitment Checks
Compare Ferrari SF90 downpipes, 296 exhaust options and 812 exhaust upgrades by platform, sound goals, CEL/tune risk, fitment checks and Canada/Québec race-use caveats.
AudiAudi RSQ8 Downpipes vs Race Exhaust: Fitment, Sound, CEL Risk and Upgrade Order
Compare Audi RSQ8 downpipes, the AZM RSQ8 race exhaust, and a combined setup with fitment, sound, CEL, tuning and race-use caveats before ordering.
DownpipesMcLaren 570S, 600LT and 720S Downpipes vs Race Exhaust: Fitment, Sound, CEL Risk and Upgrade Order
Compare McLaren 570S, 600LT and 720S downpipes vs race exhaust systems by fitment family, sound change, CEL risk, tuning needs and upgrade order.
DownpipesFerrari FF and GTC4Lusso Exhaust Guide: V12 Sound, Valves, Downpipes and Fitment Checks
Choosing a Ferrari FF or GTC4Lusso exhaust? Compare valved race exhausts, downpipes, V12 sound, fitment checks, CEL/tune risk, and Canada/Québec caveats before ordering.
DownpipesModified Exhaust Brossard: How to Choose a Valved, Cat-Back, Downpipe or Header Setup
Shopping for a modified exhaust near Brossard? Compare valved exhausts, cat-back/race systems, downpipes and headers before you order, with fitment, CEL, tuning, winter and...
DownpipesStage 2 Tuning Checklist: What to Verify Before Buying a Downpipe
Planning Stage 2 with a downpipe? Verify fitment, CEL risk, tune support, install order, validation, and Québec/Canada road-use caveats.
Exhaust SystemsPorsche GT3/GT3 RS 991 vs 992 Race Exhaust Guide: Headers, Valves, Sound and Fitment Checks
Compare Porsche 991 and 992 GT3/GT3 RS exhaust paths by fitment, valves, headers, sound character, CEL risk and Canada/Québec race-use cautions before ordering.
DownpipesBMW 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.
DownpipesAudi RS6/RS7 C8 Downpipes Guide: Catless Fitment, CEL Risk, Tuning and What to Check Before Ordering
Shopping Audi RS7 catless downpipes or C8 RS6/RS7 downpipes? Check AZM fitment, CEL risk, tuning, sound and Canada/Québec race-use notes.
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.
